Let's divide 70687531 by 306
We want to divide 70687531 by 306.

Step 1:
If we divide 7 by 306, we get 0 and a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Fetch the next digit (0) from the dividend, attach it to 7 and continue: 70 / 306

Step 2:
When dividing 70 by 306, we get 0 with a remainder of 70.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 70 and we're left with 70.
Append the next digit (6) from the dividend to 70 and continue with: 706 / 306

Let's proceed to step 3:
If we divide 706 by 306, we get 2 and a remainder of 94.
Use 2 as the next digit of our solution. 
Result so far: 2.0
The remainder is 94 after subtracting 612 from 706.
Bring next digit (8) of the dividend behind the 94 and repeat the process: 948 / 306

Going ahead to step 4:
948 divided by 306 is 3 with a remainder of 30.
Put 3 as the next digit of the answer. 
Result so far: 23.0
If we subtract 918 from 948, we get 30.
Fetch the next digit (7) from the dividend, attach it to 30 and continue: 307 / 306

Let's proceed to step 5:
If we divide 307 by 306, we get 1 and a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 231.0
Subtract 306 from 307 to get 1.
Append the next digit (5) from the dividend to 1 and continue with: 15 / 306

Step 6:
If we divide 15 by 306, we get 0 and a remainder of 15.
Write down 0 as next digit of the result. 
Result so far: 2310.0
If we subtract 0 from 15, we get 15.
Append the next digit (3) from the dividend to 15 and continue with: 153 / 306

Step 7:
306 can be fit into 153 0 times, resulting in a remainder of 153.
The next digit of our result is 0. 
Result so far: 23100.0
Subtract 0 from 153 to get 153.
Include the next digit (1) from the dividend after 153, then repeat: 1531 / 306

Let's proceed to step 8:
306 can be fit into 1531 5 times, resulting in a remainder of 1.
Put 5 as the next digit of the answer. 
Result so far: 231005.0
If we subtract 1530 from 1531, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 9:
10 divided by 306 is 0 with a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 231005.0
Subtracting 0 from 10 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.

Moving on to step 10:
The number 306 fits into 100 0 times, leaving a remainder of 100.
Use 0 as the next digit of our solution. 
Result so far: 231005.0
If we subtract 0 from 100, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

In conclusion, the division gives 231005.0 with a balance of 0.1.