Finding the Third Proportional to 80,084.25 and 129,015

Step by Step Solution

1. Step 1: Write the proportion equation
   80,084.25 : 129,015 = 129,015 : x
2. Step 2: Convert to fraction form
   80,084.25/129,015 = 129,015/x
3. Step 3: Cross multiply
   80,084.25x = 129,015 × 129,015
4. Step 4: Simplify right side
   80,084.25x = 16,644,870,225
5. Step 5: Solve for x
   x = 16,644,870,225/80,084.25
6. Step 6: Final answer
   x = 207,841.99