74685750 ÷ 20 
Our goal is to divide 74685750 by 20.

Step 1:
20 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Grab the next digit (4) from the dividend, add it to 7, then carry on: 74 / 20

Let's proceed to step 2:
The number 20 fits into 74 3 times, leaving a remainder of 14.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtracting 60 from 74 leaves us with 14.
Include the next digit (6) from the dividend after 14, then repeat: 146 / 20

Step 3:
20 can be fit into 146 7 times, resulting in a remainder of 6.
Use 7 as the next digit of our solution. 
Result so far: 37.0
Subtract 140 from 146 to get 6.
Grab the next digit (8) from the dividend, add it to 6, then carry on: 68 / 20

Moving on to step 4:
If we divide 68 by 20, we get 3 and a remainder of 8.
The next digit of our result is 3. 
Result so far: 373.0
If we subtract 60 from 68, we get 8.
Take the next digit (5) from the dividend and append it to 8, then repeat: 85 / 20

Let's proceed to step 5:
If we divide 85 by 20, we get 4 and a remainder of 5.
Record the quotient 4 as the next digit in the result. 
Result so far: 3734.0
The remainder is 5 after subtracting 80 from 85.
Fetch the next digit (7) from the dividend, attach it to 5 and continue: 57 / 20

Going ahead to step 6:
20 goes into 57 2 times with a remainder of 17.
The number 2 becomes the next digit in our result. 
Result so far: 37342.0
If we take 40 away from 57, we end up with 17.
Grab the next digit (5) from the dividend, add it to 17, then carry on: 175 / 20

On to step 7:
If we divide 175 by 20, we get 8 and a remainder of 15.
The number 8 becomes the next digit in our result. 
Result so far: 373428.0
Deduct 160 from 175 and we're left with 15.
Bring next digit (0) of the dividend behind the 15 and repeat the process: 150 / 20

Advancing to step 8:
When dividing 150 by 20, we get 7 with a remainder of 10.
The number 7 becomes the next digit in our result. 
Result so far: 3734287.0
Subtracting 140 from 150 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 9:
The number 20 fits into 100 5 times, leaving a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 3734287.5
If we take 100 away from 100, 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.

Let's proceed to step 10:
0 divided by 20 is 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 3734287.5
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.

Step 11:
The number 20 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 3734287.5
Deduct 0 from 0 and we're left 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.

After the division, we end up with 3734287.5 and a remainder of 0.0.