| ( | x | × | 19 20 | − | 558747471 20 | ) | × | 1 20 | = | 220000 |
| Left side of the equation = | x | × | 19 20 | × | 1 20 | − | 558747471 20 | × | 1 20 |
| = | x | × | 19 400 | − | 558747471 400 |
19 400 | x | − | 558747471 400 | = | 220000 |
19 400 | x | = | 220000 | + | 558747471 400 |
19 400 | x | = | 646747471 400 |
| x | = | 646747471 400 | ÷ | 19 400 |
| = | 646747471 400 | × | 400 19 |
| = | 646747471 | × | 1 19 |
| x | = | 646747471 19 |
| x | = | 34039340.578947 |