74235321 divided by 306 
Let's see how many times 306 fits into 74235321.

Step 1:
If we divide 7 by 306, we get 0 and a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Include the next digit (4) from the dividend after 7, then repeat: 74 / 306

On to step 2:
306 goes into 74 0 times with a remainder of 74.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 74 leaves us with 74.
Append the next digit (2) from the dividend to 74 and continue with: 742 / 306

Moving on to step 3:
306 can be fit into 742 2 times, resulting in a remainder of 130.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
Subtracting 612 from 742 leaves us with 130.
Take the next digit (3) from the dividend and append it to 130, then repeat: 1303 / 306

Moving on to step 4:
1303 divided by 306 is 4 with a remainder of 79.
Use 4 as the next digit of our solution. 
Result so far: 24.0
Subtracting 1224 from 1303 leaves us with 79.
Fetch the next digit (5) from the dividend, attach it to 79 and continue: 795 / 306

Moving on to step 5:
The number 306 fits into 795 2 times, leaving a remainder of 183.
The next digit of our result is 2. 
Result so far: 242.0
If we subtract 612 from 795, we get 183.
Bring next digit (3) of the dividend behind the 183 and repeat the process: 1833 / 306

Let's proceed to step 6:
1833 divided by 306 is 5 with a remainder of 303.
The number 5 becomes the next digit in our result. 
Result so far: 2425.0
The remainder is 303 after subtracting 1530 from 1833.
Append the next digit (2) from the dividend to 303 and continue with: 3032 / 306

Moving on to step 7:
306 goes into 3032 9 times with a remainder of 278.
Record the quotient 9 as the next digit in the result. 
Result so far: 24259.0
If we subtract 2754 from 3032, we get 278.
Fetch the next digit (1) from the dividend, attach it to 278 and continue: 2781 / 306

On to step 8:
306 can be fit into 2781 9 times, resulting in a remainder of 27.
The next digit of our result is 9. 
Result so far: 242599.0
If we take 2754 away from 2781, we end up 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.

On to step 9:
The number 306 fits into 270 0 times, leaving a remainder of 270.
The next digit of our result is 0. 
Result so far: 242599.0
Subtract 0 from 270 to get 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

Going ahead to step 10:
If we divide 2700 by 306, we get 8 and a remainder of 252.
Put 8 as the next digit of the answer. 
Result so far: 242599.08
The remainder is 252 after subtracting 2448 from 2700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2520, and continue the process.

Advancing to step 11:
When dividing 2520 by 306, we get 8 with a remainder of 72.
Record the quotient 8 as the next digit in the result. 
Result so far: 242599.088
If we take 2448 away from 2520, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

The final outcome is 242599.088, with a leftover of 0.0072.