Finding the Third Proportional to 59,813,616 and 89,620,920

Step by Step Solution

1. Step 1: Write the proportion equation
   59,813,616 : 89,620,920 = 89,620,920 : x
2. Step 2: Convert to fraction form
   59,813,616/89,620,920 = 89,620,920/x
3. Step 3: Cross multiply
   59,813,616x = 89,620,920 × 89,620,920
4. Step 4: Simplify right side
   59,813,616x = 8,031,909,301,646,400
5. Step 5: Solve for x
   x = 8,031,909,301,646,400/59,813,616
6. Step 6: Final answer
   x = 134,282,289.53