Finding the Third Proportional to 51,495,993 and 72,171,495

Step by Step Solution

1. Step 1: Write the proportion equation
   51,495,993 : 72,171,495 = 72,171,495 : x
2. Step 2: Convert to fraction form
   51,495,993/72,171,495 = 72,171,495/x
3. Step 3: Cross multiply
   51,495,993x = 72,171,495 × 72,171,495
4. Step 4: Simplify right side
   51,495,993x = 5,208,724,690,535,025
5. Step 5: Solve for x
   x = 5,208,724,690,535,025/51,495,993
6. Step 6: Final answer
   x = 101,148,155.17