Finding the Third Proportional to 59,620,462 and 89,729,218

Step by Step Solution

1. Step 1: Write the proportion equation
   59,620,462 : 89,729,218 = 89,729,218 : x
2. Step 2: Convert to fraction form
   59,620,462/89,729,218 = 89,729,218/x
3. Step 3: Cross multiply
   59,620,462x = 89,729,218 × 89,729,218
4. Step 4: Simplify right side
   59,620,462x = 8,051,332,562,891,524
5. Step 5: Solve for x
   x = 8,051,332,562,891,524/59,620,462
6. Step 6: Final answer
   x = 135,043,109.24