Finding the Third Proportional to 60,489.75 and 88,594.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,489.75 : 88,594.50 = 88,594.50 : x
2. Step 2: Convert to fraction form
   60,489.75/88,594.50 = 88,594.50/x
3. Step 3: Cross multiply
   60,489.75x = 88,594.50 × 88,594.50
4. Step 4: Simplify right side
   60,489.75x = 7,848,985,430.25
5. Step 5: Solve for x
   x = 7,848,985,430.25/60,489.75
6. Step 6: Final answer
   x = 129,757.28