Finding the Third Proportional to 161,469 and 252,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,469 : 252,013.50 = 252,013.50 : x
2. Step 2: Convert to fraction form
   161,469/252,013.50 = 252,013.50/x
3. Step 3: Cross multiply
   161,469x = 252,013.50 × 252,013.50
4. Step 4: Simplify right side
   161,469x = 63,510,804,182.25
5. Step 5: Solve for x
   x = 63,510,804,182.25/161,469
6. Step 6: Final answer
   x = 393,331.25