51782894 ÷ 688 
We want to divide 51782894 by 688.

Let's proceed to step 1:
When dividing 5 by 688, we get 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 688

Going ahead to step 2:
688 goes into 51 0 times with a remainder of 51.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 51 to get 51.
Bring next digit (7) of the dividend behind the 51 and repeat the process: 517 / 688

Going ahead to step 3:
688 can be fit into 517 0 times, resulting in a remainder of 517.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 517, we get 517.
Include the next digit (8) from the dividend after 517, then repeat: 5178 / 688

On to step 4:
When dividing 5178 by 688, we get 7 with a remainder of 362.
Put 7 as the next digit of the answer. 
Result so far: 7.0
Deduct 4816 from 5178 and we're left with 362.
Bring next digit (2) of the dividend behind the 362 and repeat the process: 3622 / 688

Moving on to step 5:
If we divide 3622 by 688, we get 5 and a remainder of 182.
Put 5 as the next digit of the answer. 
Result so far: 75.0
Subtracting 3440 from 3622 leaves us with 182.
Bring next digit (8) of the dividend behind the 182 and repeat the process: 1828 / 688

On to step 6:
688 can be fit into 1828 2 times, resulting in a remainder of 452.
Record the quotient 2 as the next digit in the result. 
Result so far: 752.0
Subtracting 1376 from 1828 leaves us with 452.
Grab the next digit (9) from the dividend, add it to 452, then carry on: 4529 / 688

On to step 7:
If we divide 4529 by 688, we get 6 and a remainder of 401.
Use 6 as the next digit of our solution. 
Result so far: 7526.0
Deduct 4128 from 4529 and we're left with 401.
Take the next digit (4) from the dividend and append it to 401, then repeat: 4014 / 688

Advancing to step 8:
The number 688 fits into 4014 5 times, leaving a remainder of 574.
The next digit of our result is 5. 
Result so far: 75265.0
Subtract 3440 from 4014 to get 574.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5740, and continue the process.

Step 9:
688 can be fit into 5740 8 times, resulting in a remainder of 236.
The number 8 becomes the next digit in our result. 
Result so far: 75265.8
Deduct 5504 from 5740 and we're left with 236.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2360, and continue the process.

Moving on to step 10:
688 can be fit into 2360 3 times, resulting in a remainder of 296.
Record the quotient 3 as the next digit in the result. 
Result so far: 75265.83
If we take 2064 away from 2360, we end up with 296.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2960, and continue the process.

Advancing to step 11:
If we divide 2960 by 688, we get 4 and a remainder of 208.
The next digit of our result is 4. 
Result so far: 75265.834
If we take 2752 away from 2960, we end up with 208.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2080, and continue the process.

Going ahead to step 12:
688 can be fit into 2080 3 times, resulting in a remainder of 16.
Use 3 as the next digit of our solution. 
Result so far: 75265.8343
If we subtract 2064 from 2080, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 13:
688 can be fit into 160 0 times, resulting in a remainder of 160.
Use 0 as the next digit of our solution. 
Result so far: 75265.8343
If we take 0 away from 160, we end up with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Step 14:
1600 divided by 688 is 2 with a remainder of 224.
Write down 2 as next digit of the result. 
Result so far: 75265.834302
Deduct 1376 from 1600 and we're left with 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Advancing to step 15:
The number 688 fits into 2240 3 times, leaving a remainder of 176.
Record the quotient 3 as the next digit in the result. 
Result so far: 75265.8343023
Deduct 2064 from 2240 and we're left with 176.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1760, and continue the process.

Step 16:
When dividing 1760 by 688, we get 2 with a remainder of 384.
Write down 2 as next digit of the result. 
Result so far: 75265.83430232
Deduct 1376 from 1760 and we're left with 384.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3840, and continue the process.

The quotient of the division is 75265.83430232, and the remainder is 3.84e-07.