We look at the division of 51931025 by 266 
We want to figure out the number of times 51931025 can be divided by 266.

Step 1:
266 can be fit into 5 0 times, resulting in a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Bring next digit (1) of the dividend behind the 5 and repeat the process: 51 / 266

Going ahead to step 2:
51 divided by 266 is 0 with a remainder of 51.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 51, we end up with 51.
Fetch the next digit (9) from the dividend, attach it to 51 and continue: 519 / 266

Step 3:
266 goes into 519 1 times with a remainder of 253.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 266 from 519, we get 253.
Include the next digit (3) from the dividend after 253, then repeat: 2533 / 266

Moving on to step 4:
2533 divided by 266 is 9 with a remainder of 139.
Use 9 as the next digit of our solution. 
Result so far: 19.0
Deduct 2394 from 2533 and we're left with 139.
Grab the next digit (1) from the dividend, add it to 139, then carry on: 1391 / 266

Step 5:
When dividing 1391 by 266, we get 5 with a remainder of 61.
Record the quotient 5 as the next digit in the result. 
Result so far: 195.0
If we subtract 1330 from 1391, we get 61.
Grab the next digit (0) from the dividend, add it to 61, then carry on: 610 / 266

On to step 6:
610 divided by 266 is 2 with a remainder of 78.
Use 2 as the next digit of our solution. 
Result so far: 1952.0
If we subtract 532 from 610, we get 78.
Include the next digit (2) from the dividend after 78, then repeat: 782 / 266

Moving on to step 7:
The number 266 fits into 782 2 times, leaving a remainder of 250.
Record the quotient 2 as the next digit in the result. 
Result so far: 19522.0
Subtract 532 from 782 to get 250.
Take the next digit (5) from the dividend and append it to 250, then repeat: 2505 / 266

Going ahead to step 8:
266 can be fit into 2505 9 times, resulting in a remainder of 111.
The number 9 becomes the next digit in our result. 
Result so far: 195229.0
If we subtract 2394 from 2505, we get 111.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1110, and continue the process.

On to step 9:
1110 divided by 266 is 4 with a remainder of 46.
Write down 4 as next digit of the result. 
Result so far: 195229.4
Subtract 1064 from 1110 to get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Going ahead to step 10:
460 divided by 266 is 1 with a remainder of 194.
Use 1 as the next digit of our solution. 
Result so far: 195229.41
If we subtract 266 from 460, we get 194.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1940, and continue the process.

Going ahead to step 11:
266 can be fit into 1940 7 times, resulting in a remainder of 78.
Write down 7 as next digit of the result. 
Result so far: 195229.417
If we subtract 1862 from 1940, we get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

On to step 12:
780 divided by 266 is 2 with a remainder of 248.
Use 2 as the next digit of our solution. 
Result so far: 195229.4172
If we take 532 away from 780, we end up with 248.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2480, and continue the process.

On to step 13:
266 goes into 2480 9 times with a remainder of 86.
The next digit of our result is 9. 
Result so far: 195229.41729
If we take 2394 away from 2480, we end up with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Step 14:
266 can be fit into 860 3 times, resulting in a remainder of 62.
Write down 3 as next digit of the result. 
Result so far: 195229.417293
If we take 798 away from 860, we end up with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

On to step 15:
If we divide 620 by 266, we get 2 and a remainder of 88.
Put 2 as the next digit of the answer. 
Result so far: 195229.4172932
Deduct 532 from 620 and we're left with 88.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

On to step 16:
If we divide 880 by 266, we get 3 and a remainder of 82.
Use 3 as the next digit of our solution. 
Result so far: 195229.41729323
Subtracting 798 from 880 leaves us with 82.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

In conclusion, the division gives 195229.41729323 with a balance of 8.2e-08.