| X | × | 779309 100 | + | 7 5 | X | × | 779309 100 | = | 508045650 |
| Left side of the equation = | X | × | 779309 100 | + | 5455163 500 | X |
| = | 2337927 125 | X |
2337927 125 | X | = | 508045650 |
| X | = | 508045650 | ÷ | 2337927 125 |
| = | 508045650 | × | 125 2337927 |
| = | 169348550 | × | 125 779309 |
| X | = | 21168568750 779309 |