Finding the Third Proportional to 59,448 and 89,676

Step by Step Solution

1. Step 1: Write the proportion equation
   59,448 : 89,676 = 89,676 : x
2. Step 2: Convert to fraction form
   59,448/89,676 = 89,676/x
3. Step 3: Cross multiply
   59,448x = 89,676 × 89,676
4. Step 4: Simplify right side
   59,448x = 8,041,784,976
5. Step 5: Solve for x
   x = 8,041,784,976/59,448
6. Step 6: Final answer
   x = 135,274.27