Finding the Third Proportional to 129,103 and 176,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,103 : 176,007.50 = 176,007.50 : x
2. Step 2: Convert to fraction form
   129,103/176,007.50 = 176,007.50/x
3. Step 3: Cross multiply
   129,103x = 176,007.50 × 176,007.50
4. Step 4: Simplify right side
   129,103x = 30,978,640,056.25
5. Step 5: Solve for x
   x = 30,978,640,056.25/129,103
6. Step 6: Final answer
   x = 239,952.91