Finding the Third Proportional to 80,359.25 and 129,044

Step by Step Solution

1. Step 1: Write the proportion equation
   80,359.25 : 129,044 = 129,044 : x
2. Step 2: Convert to fraction form
   80,359.25/129,044 = 129,044/x
3. Step 3: Cross multiply
   80,359.25x = 129,044 × 129,044
4. Step 4: Simplify right side
   80,359.25x = 16,652,353,936
5. Step 5: Solve for x
   x = 16,652,353,936/80,359.25
6. Step 6: Final answer
   x = 207,223.86