Finding the Third Proportional to 42,472,728 and 65,586,715

Step by Step Solution

1. Step 1: Write the proportion equation
   42,472,728 : 65,586,715 = 65,586,715 : x
2. Step 2: Convert to fraction form
   42,472,728/65,586,715 = 65,586,715/x
3. Step 3: Cross multiply
   42,472,728x = 65,586,715 × 65,586,715
4. Step 4: Simplify right side
   42,472,728x = 4,301,617,184,491,225
5. Step 5: Solve for x
   x = 4,301,617,184,491,225/42,472,728
6. Step 6: Final answer
   x = 101,279,512.46