Finding the Third Proportional to 42,472,616 and 65,586,540

Step by Step Solution

1. Step 1: Write the proportion equation
   42,472,616 : 65,586,540 = 65,586,540 : x
2. Step 2: Convert to fraction form
   42,472,616/65,586,540 = 65,586,540/x
3. Step 3: Cross multiply
   42,472,616x = 65,586,540 × 65,586,540
4. Step 4: Simplify right side
   42,472,616x = 4,301,594,229,171,600
5. Step 5: Solve for x
   x = 4,301,594,229,171,600/42,472,616
6. Step 6: Final answer
   x = 101,279,239.06