| 54000 | − | 728 125 | x | = | 19 500 | × | 91 2 | x |
| Right side of the equation = | 1729 1000 | x |
| 54000 | − | 728 125 | x | = | 1729 1000 | x |
| - | 728 125 | x | − | 1729 1000 | x | = | - | 54000 |
| - | 7553 1000 | x | = | - | 54000 |
| 54000 | = | 7553 1000 | x |
7553 1000 | x | = | 54000 |
| x | = | 54000 | ÷ | 7553 1000 |
| = | 54000 | × | 1000 7553 |
| x | = | 54000000 7553 |
| x | = | 7149.477029 |