Finding the Third Proportional to 61,587 and 88,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,587 : 88,708.50 = 88,708.50 : x
2. Step 2: Convert to fraction form
   61,587/88,708.50 = 88,708.50/x
3. Step 3: Cross multiply
   61,587x = 88,708.50 × 88,708.50
4. Step 4: Simplify right side
   61,587x = 7,869,197,972.25
5. Step 5: Solve for x
   x = 7,869,197,972.25/61,587
6. Step 6: Final answer
   x = 127,773.69