Finding the Third Proportional to 65,079 and 88,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,079 : 88,402.50 = 88,402.50 : x
2. Step 2: Convert to fraction form
   65,079/88,402.50 = 88,402.50/x
3. Step 3: Cross multiply
   65,079x = 88,402.50 × 88,402.50
4. Step 4: Simplify right side
   65,079x = 7,815,002,006.25
5. Step 5: Solve for x
   x = 7,815,002,006.25/65,079
6. Step 6: Final answer
   x = 120,084.85