644292 ÷ 63 
We're looking to find how many times 63 goes into 644292.

Step 1:
When dividing 6 by 63, we get 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Include the next digit (4) from the dividend after 6, then repeat: 64 / 63

Advancing to step 2:
63 goes into 64 1 times with a remainder of 1.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 63 from 64, we get 1.
Append the next digit (4) from the dividend to 1 and continue with: 14 / 63

Advancing to step 3:
63 can be fit into 14 0 times, resulting in a remainder of 14.
Write down 0 as next digit of the result. 
Result so far: 10.0
If we take 0 away from 14, we end up with 14.
Fetch the next digit (2) from the dividend, attach it to 14 and continue: 142 / 63

Advancing to step 4:
If we divide 142 by 63, we get 2 and a remainder of 16.
Use 2 as the next digit of our solution. 
Result so far: 102.0
Deduct 126 from 142 and we're left with 16.
Bring next digit (9) of the dividend behind the 16 and repeat the process: 169 / 63

On to step 5:
The number 63 fits into 169 2 times, leaving a remainder of 43.
The number 2 becomes the next digit in our result. 
Result so far: 1022.0
Deduct 126 from 169 and we're left with 43.
Append the next digit (2) from the dividend to 43 and continue with: 432 / 63

Going ahead to step 6:
432 divided by 63 is 6 with a remainder of 54.
Use 6 as the next digit of our solution. 
Result so far: 10226.0
Deduct 378 from 432 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Moving on to step 7:
63 can be fit into 540 8 times, resulting in a remainder of 36.
Use 8 as the next digit of our solution. 
Result so far: 10226.8
If we take 504 away from 540, we end up with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Let's proceed to step 8:
When dividing 360 by 63, we get 5 with a remainder of 45.
Write down 5 as next digit of the result. 
Result so far: 10226.85
If we take 315 away from 360, we end up with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Advancing to step 9:
If we divide 450 by 63, we get 7 and a remainder of 9.
Record the quotient 7 as the next digit in the result. 
Result so far: 10226.857
The remainder is 9 after subtracting 441 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Moving on to step 10:
The number 63 fits into 90 1 times, leaving a remainder of 27.
Write down 1 as next digit of the result. 
Result so far: 10226.8571
Subtracting 63 from 90 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Going ahead to step 11:
The number 63 fits into 270 4 times, leaving a remainder of 18.
Put 4 as the next digit of the answer. 
Result so far: 10226.85714
Subtract 252 from 270 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Advancing to step 12:
63 goes into 180 2 times with a remainder of 54.
Record the quotient 2 as the next digit in the result. 
Result so far: 10226.857142
Subtracting 126 from 180 leaves us with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 13:
When dividing 540 by 63, we get 8 with a remainder of 36.
Put 8 as the next digit of the answer. 
Result so far: 10226.8571428
If we subtract 504 from 540, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Going ahead to step 14:
The number 63 fits into 360 5 times, leaving a remainder of 45.
The number 5 becomes the next digit in our result. 
Result so far: 10226.85714285
Deduct 315 from 360 and we're left with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Our division results in 10226.85714285 with a remaining 4.5e-08.