84172512 divided by 50 
We want to figure out the number of times 84172512 can be divided by 50.

Advancing to step 1:
50 goes into 8 0 times with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Fetch the next digit (4) from the dividend, attach it to 8 and continue: 84 / 50

On to step 2:
The number 50 fits into 84 1 times, leaving a remainder of 34.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 50 away from 84, we end up with 34.
Append the next digit (1) from the dividend to 34 and continue with: 341 / 50

On to step 3:
50 goes into 341 6 times with a remainder of 41.
Write down 6 as next digit of the result. 
Result so far: 16.0
The remainder is 41 after subtracting 300 from 341.
Bring next digit (7) of the dividend behind the 41 and repeat the process: 417 / 50

Let's proceed to step 4:
417 divided by 50 is 8 with a remainder of 17.
The number 8 becomes the next digit in our result. 
Result so far: 168.0
Subtracting 400 from 417 leaves us with 17.
Bring next digit (2) of the dividend behind the 17 and repeat the process: 172 / 50

Moving on to step 5:
If we divide 172 by 50, we get 3 and a remainder of 22.
Record the quotient 3 as the next digit in the result. 
Result so far: 1683.0
Subtract 150 from 172 to get 22.
Append the next digit (5) from the dividend to 22 and continue with: 225 / 50

Step 6:
When dividing 225 by 50, we get 4 with a remainder of 25.
Put 4 as the next digit of the answer. 
Result so far: 16834.0
If we take 200 away from 225, we end up with 25.
Bring next digit (1) of the dividend behind the 25 and repeat the process: 251 / 50

Let's proceed to step 7:
If we divide 251 by 50, we get 5 and a remainder of 1.
Record the quotient 5 as the next digit in the result. 
Result so far: 168345.0
If we subtract 250 from 251, we get 1.
Append the next digit (2) from the dividend to 1 and continue with: 12 / 50

Step 8:
50 can be fit into 12 0 times, resulting in a remainder of 12.
Put 0 as the next digit of the answer. 
Result so far: 1683450.0
If we subtract 0 from 12, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 9:
If we divide 120 by 50, we get 2 and a remainder of 20.
The next digit of our result is 2. 
Result so far: 1683450.2
Subtract 100 from 120 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 10:
When dividing 200 by 50, we get 4 with a remainder of 0.
Use 4 as the next digit of our solution. 
Result so far: 1683450.24
The remainder is 0 after subtracting 200 from 200.
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 11:
50 can be fit into 0 0 times, resulting in a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 1683450.24
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.

Moving on to step 12:
0 divided by 50 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 1683450.24
If we take 0 away from 0, we end up with 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 1683450.24 with a remainder of 0.0.