We look at the division of 634258 by 20 
We're looking to find how many times 20 goes into 634258.

Step 1:
20 goes into 6 0 times with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Fetch the next digit (3) from the dividend, attach it to 6 and continue: 63 / 20

Going ahead to step 2:
If we divide 63 by 20, we get 3 and a remainder of 3.
The next digit of our result is 3. 
Result so far: 3.0
If we subtract 60 from 63, we get 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 20

Let's proceed to step 3:
20 can be fit into 34 1 times, resulting in a remainder of 14.
Record the quotient 1 as the next digit in the result. 
Result so far: 31.0
If we take 20 away from 34, we end up with 14.
Append the next digit (2) from the dividend to 14 and continue with: 142 / 20

Step 4:
20 can be fit into 142 7 times, resulting in a remainder of 2.
The number 7 becomes the next digit in our result. 
Result so far: 317.0
Subtracting 140 from 142 leaves us with 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 20

Let's proceed to step 5:
20 goes into 25 1 times with a remainder of 5.
Record the quotient 1 as the next digit in the result. 
Result so far: 3171.0
Subtract 20 from 25 to get 5.
Take the next digit (8) from the dividend and append it to 5, then repeat: 58 / 20

Step 6:
If we divide 58 by 20, we get 2 and a remainder of 18.
The next digit of our result is 2. 
Result so far: 31712.0
The remainder is 18 after subtracting 40 from 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Moving on to step 7:
If we divide 180 by 20, we get 9 and a remainder of 0.
Put 9 as the next digit of the answer. 
Result so far: 31712.9
Subtract 180 from 180 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 8:
0 divided by 20 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 31712.9
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 9:
0 divided by 20 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 31712.9
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 31712.9 with a remainder of 0.0.