We look at the division of 68031793 by 639 
Our goal is to divide 68031793 by 639.

Moving on to step 1:
639 can be fit into 6 0 times, resulting in a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Include the next digit (8) from the dividend after 6, then repeat: 68 / 639

Let's proceed to step 2:
When dividing 68 by 639, we get 0 with a remainder of 68.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 68 and we're left with 68.
Take the next digit (0) from the dividend and append it to 68, then repeat: 680 / 639

Let's proceed to step 3:
639 goes into 680 1 times with a remainder of 41.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtracting 639 from 680 leaves us with 41.
Grab the next digit (3) from the dividend, add it to 41, then carry on: 413 / 639

Going ahead to step 4:
If we divide 413 by 639, we get 0 and a remainder of 413.
The next digit of our result is 0. 
Result so far: 10.0
Deduct 0 from 413 and we're left with 413.
Append the next digit (1) from the dividend to 413 and continue with: 4131 / 639

On to step 5:
When dividing 4131 by 639, we get 6 with a remainder of 297.
Write down 6 as next digit of the result. 
Result so far: 106.0
If we subtract 3834 from 4131, we get 297.
Grab the next digit (7) from the dividend, add it to 297, then carry on: 2977 / 639

On to step 6:
639 goes into 2977 4 times with a remainder of 421.
The next digit of our result is 4. 
Result so far: 1064.0
Subtract 2556 from 2977 to get 421.
Fetch the next digit (9) from the dividend, attach it to 421 and continue: 4219 / 639

Moving on to step 7:
4219 divided by 639 is 6 with a remainder of 385.
Write down 6 as next digit of the result. 
Result so far: 10646.0
If we subtract 3834 from 4219, we get 385.
Include the next digit (3) from the dividend after 385, then repeat: 3853 / 639

Going ahead to step 8:
When dividing 3853 by 639, we get 6 with a remainder of 19.
The next digit of our result is 6. 
Result so far: 106466.0
Subtracting 3834 from 3853 leaves us with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Going ahead to step 9:
The number 639 fits into 190 0 times, leaving a remainder of 190.
Record the quotient 0 as the next digit in the result. 
Result so far: 106466.0
If we subtract 0 from 190, we get 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Step 10:
The number 639 fits into 1900 2 times, leaving a remainder of 622.
The number 2 becomes the next digit in our result. 
Result so far: 106466.02
Subtracting 1278 from 1900 leaves us with 622.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6220, and continue the process.

Let's proceed to step 11:
When dividing 6220 by 639, we get 9 with a remainder of 469.
Put 9 as the next digit of the answer. 
Result so far: 106466.029
Subtract 5751 from 6220 to get 469.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4690, and continue the process.

Moving on to step 12:
If we divide 4690 by 639, we get 7 and a remainder of 217.
The next digit of our result is 7. 
Result so far: 106466.0297
If we subtract 4473 from 4690, we get 217.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2170, and continue the process.

Moving on to step 13:
If we divide 2170 by 639, we get 3 and a remainder of 253.
Record the quotient 3 as the next digit in the result. 
Result so far: 106466.02973
If we subtract 1917 from 2170, we get 253.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2530, and continue the process.

Step 14:
2530 divided by 639 is 3 with a remainder of 613.
The number 3 becomes the next digit in our result. 
Result so far: 106466.029733
Subtract 1917 from 2530 to get 613.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6130, and continue the process.

In conclusion, the division gives 106466.029733 with a balance of 6.13e-05.