Finding the Third Proportional to 59,125.50 and 86,487.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,125.50 : 86,487.75 = 86,487.75 : x
2. Step 2: Convert to fraction form
   59,125.50/86,487.75 = 86,487.75/x
3. Step 3: Cross multiply
   59,125.50x = 86,487.75 × 86,487.75
4. Step 4: Simplify right side
   59,125.50x = 7,480,130,900.06
5. Step 5: Solve for x
   x = 7,480,130,900.06/59,125.50
6. Step 6: Final answer
   x = 126,512.77