Finding the Third Proportional to 60,711.50 and 90,444.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,711.50 : 90,444.75 = 90,444.75 : x
2. Step 2: Convert to fraction form
   60,711.50/90,444.75 = 90,444.75/x
3. Step 3: Cross multiply
   60,711.50x = 90,444.75 × 90,444.75
4. Step 4: Simplify right side
   60,711.50x = 8,180,252,802.56
5. Step 5: Solve for x
   x = 8,180,252,802.56/60,711.50
6. Step 6: Final answer
   x = 134,739.76