Finding the Third Proportional to 59,347,698 and 89,641,661

Step by Step Solution

1. Step 1: Write the proportion equation
   59,347,698 : 89,641,661 = 89,641,661 : x
2. Step 2: Convert to fraction form
   59,347,698/89,641,661 = 89,641,661/x
3. Step 3: Cross multiply
   59,347,698x = 89,641,661 × 89,641,661
4. Step 4: Simplify right side
   59,347,698x = 8,035,627,386,838,921
5. Step 5: Solve for x
   x = 8,035,627,386,838,921/59,347,698
6. Step 6: Final answer
   x = 135,399,141.97