Finding the Third Proportional to 172,429.50 and 252,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,429.50 : 252,082.50 = 252,082.50 : x
2. Step 2: Convert to fraction form
   172,429.50/252,082.50 = 252,082.50/x
3. Step 3: Cross multiply
   172,429.50x = 252,082.50 × 252,082.50
4. Step 4: Simplify right side
   172,429.50x = 63,545,586,806.25
5. Step 5: Solve for x
   x = 63,545,586,806.25/172,429.50
6. Step 6: Final answer
   x = 368,530.83