Finding the Third Proportional to 57,857,442 and 78,576,636

Step by Step Solution

1. Step 1: Write the proportion equation
   57,857,442 : 78,576,636 = 78,576,636 : x
2. Step 2: Convert to fraction form
   57,857,442/78,576,636 = 78,576,636/x
3. Step 3: Cross multiply
   57,857,442x = 78,576,636 × 78,576,636
4. Step 4: Simplify right side
   57,857,442x = 6,174,287,725,076,496
5. Step 5: Solve for x
   x = 6,174,287,725,076,496/57,857,442
6. Step 6: Final answer
   x = 106,715,532.38