66968779 ÷ 436 
Let's see how many times 436 fits into 66968779.

On to step 1:
The number 436 fits into 6 0 times, leaving 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 (6) from the dividend, attach it to 6 and continue: 66 / 436

Step 2:
If we divide 66 by 436, we get 0 and a remainder of 66.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 66 and we're left with 66.
Fetch the next digit (9) from the dividend, attach it to 66 and continue: 669 / 436

Advancing to step 3:
When dividing 669 by 436, we get 1 with a remainder of 233.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 436 from 669 to get 233.
Grab the next digit (6) from the dividend, add it to 233, then carry on: 2336 / 436

Step 4:
436 goes into 2336 5 times with a remainder of 156.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
Subtract 2180 from 2336 to get 156.
Fetch the next digit (8) from the dividend, attach it to 156 and continue: 1568 / 436

On to step 5:
436 can be fit into 1568 3 times, resulting in a remainder of 260.
The number 3 becomes the next digit in our result. 
Result so far: 153.0
The remainder is 260 after subtracting 1308 from 1568.
Take the next digit (7) from the dividend and append it to 260, then repeat: 2607 / 436

On to step 6:
436 can be fit into 2607 5 times, resulting in a remainder of 427.
Use 5 as the next digit of our solution. 
Result so far: 1535.0
Subtract 2180 from 2607 to get 427.
Include the next digit (7) from the dividend after 427, then repeat: 4277 / 436

Advancing to step 7:
When dividing 4277 by 436, we get 9 with a remainder of 353.
Use 9 as the next digit of our solution. 
Result so far: 15359.0
If we subtract 3924 from 4277, we get 353.
Append the next digit (9) from the dividend to 353 and continue with: 3539 / 436

Let's proceed to step 8:
436 can be fit into 3539 8 times, resulting in a remainder of 51.
Record the quotient 8 as the next digit in the result. 
Result so far: 153598.0
If we subtract 3488 from 3539, we get 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Going ahead to step 9:
The number 436 fits into 510 1 times, leaving a remainder of 74.
Record the quotient 1 as the next digit in the result. 
Result so far: 153598.1
Subtracting 436 from 510 leaves us with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

On to step 10:
If we divide 740 by 436, we get 1 and a remainder of 304.
The number 1 becomes the next digit in our result. 
Result so far: 153598.11
Subtracting 436 from 740 leaves us with 304.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3040, and continue the process.

The final outcome is 153598.11, with a leftover of 0.304.