Finding the Third Proportional to 42,947,668 and 65,046,660

Step by Step Solution

1. Step 1: Write the proportion equation
   42,947,668 : 65,046,660 = 65,046,660 : x
2. Step 2: Convert to fraction form
   42,947,668/65,046,660 = 65,046,660/x
3. Step 3: Cross multiply
   42,947,668x = 65,046,660 × 65,046,660
4. Step 4: Simplify right side
   42,947,668x = 4,231,067,977,155,600
5. Step 5: Solve for x
   x = 4,231,067,977,155,600/42,947,668
6. Step 6: Final answer
   x = 98,516,826.97