| 500000 | ( | 1 | − | 203 5000 | ) | − | 51367 10 | − | ( | 500000 | ÷ | 109 100 | × | 9 100 | − | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 | = | x |
| 方程左边 = | 500000 | × | 1 | − | 500000 | × | 203 5000 | − | 51367 10 | − | ( | 500000 | ÷ | 109 100 | × | 9 100 | − | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 |
| = | 500000 | − | 20300 | − | 51367 10 | − | ( | 500000 | ÷ | 109 100 | × | 9 100 | − | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 |
| = | 4745633 10 | − | ( | 500000 | ÷ | 109 100 | × | 9 100 | − | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 |
| = | 4745633 10 | − | 500000 | ÷ | 109 100 | × | 9 100 | × | 28 25 | + | x | ÷ | 109 100 | × | 9 100 | × | 28 25 |
| = | 4745633 10 | − | 5040000 109 | + | x | × | 252 2725 |
| = | 466873997 1090 | + | 252 2725 | x |
466873997 1090 | + | 252 2725 | x | = | x |
252 2725 | x | − | x | = | - | 466873997 1090 |
| - | 2473 2725 | x | = | - | 466873997 1090 |
466873997 1090 | = | 2473 2725 | x |
2473 2725 | x | = | 466873997 1090 |
| x | = | 466873997 1090 | ÷ | 2473 2725 |
| = | 466873997 1090 | × | 2725 2473 |
| = | 466873997 218 | × | 545 2473 |
| x | = | 254446328365 539114 |