64210426 ÷ 519 
We're looking to find how many times 519 goes into 64210426.

On to step 1:
519 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Grab the next digit (4) from the dividend, add it to 6, then carry on: 64 / 519

Going ahead to step 2:
The number 519 fits into 64 0 times, leaving a remainder of 64.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 64 leaves us with 64.
Fetch the next digit (2) from the dividend, attach it to 64 and continue: 642 / 519

Step 3:
When dividing 642 by 519, we get 1 with a remainder of 123.
The next digit of our result is 1. 
Result so far: 1.0
The remainder is 123 after subtracting 519 from 642.
Fetch the next digit (1) from the dividend, attach it to 123 and continue: 1231 / 519

On to step 4:
1231 divided by 519 is 2 with a remainder of 193.
The number 2 becomes the next digit in our result. 
Result so far: 12.0
Deduct 1038 from 1231 and we're left with 193.
Append the next digit (0) from the dividend to 193 and continue with: 1930 / 519

Going ahead to step 5:
The number 519 fits into 1930 3 times, leaving a remainder of 373.
Use 3 as the next digit of our solution. 
Result so far: 123.0
If we take 1557 away from 1930, we end up with 373.
Take the next digit (4) from the dividend and append it to 373, then repeat: 3734 / 519

Moving on to step 6:
519 can be fit into 3734 7 times, resulting in a remainder of 101.
Put 7 as the next digit of the answer. 
Result so far: 1237.0
If we subtract 3633 from 3734, we get 101.
Bring next digit (2) of the dividend behind the 101 and repeat the process: 1012 / 519

Step 7:
519 can be fit into 1012 1 times, resulting in a remainder of 493.
The number 1 becomes the next digit in our result. 
Result so far: 12371.0
Subtract 519 from 1012 to get 493.
Fetch the next digit (6) from the dividend, attach it to 493 and continue: 4936 / 519

On to step 8:
If we divide 4936 by 519, we get 9 and a remainder of 265.
Put 9 as the next digit of the answer. 
Result so far: 123719.0
Subtract 4671 from 4936 to get 265.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2650, and continue the process.

Advancing to step 9:
2650 divided by 519 is 5 with a remainder of 55.
Put 5 as the next digit of the answer. 
Result so far: 123719.5
Subtracting 2595 from 2650 leaves us with 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Moving on to step 10:
If we divide 550 by 519, we get 1 and a remainder of 31.
Put 1 as the next digit of the answer. 
Result so far: 123719.51
Deduct 519 from 550 and we're left with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Step 11:
If we divide 310 by 519, we get 0 and a remainder of 310.
The next digit of our result is 0. 
Result so far: 123719.51
The remainder is 310 after subtracting 0 from 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Moving on to step 12:
The number 519 fits into 3100 5 times, leaving a remainder of 505.
Put 5 as the next digit of the answer. 
Result so far: 123719.5105
Subtracting 2595 from 3100 leaves us with 505.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5050, and continue the process.

On to step 13:
The number 519 fits into 5050 9 times, leaving a remainder of 379.
Write down 9 as next digit of the result. 
Result so far: 123719.51059
If we subtract 4671 from 5050, we get 379.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3790, and continue the process.

Going ahead to step 14:
The number 519 fits into 3790 7 times, leaving a remainder of 157.
Write down 7 as next digit of the result. 
Result so far: 123719.510597
Deduct 3633 from 3790 and we're left with 157.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1570, and continue the process.

Going ahead to step 15:
519 can be fit into 1570 3 times, resulting in a remainder of 13.
Use 3 as the next digit of our solution. 
Result so far: 123719.5105973
If we take 1557 away from 1570, we end up with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Going ahead to step 16:
If we divide 130 by 519, we get 0 and a remainder of 130.
The next digit of our result is 0. 
Result so far: 123719.5105973
The remainder is 130 after subtracting 0 from 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

The final result is 123719.5105973 with a remainder of 1.3e-07.