Finding the Third Proportional to 123,967.50 and 254,469

Step by Step Solution

1. Step 1: Write the proportion equation
   123,967.50 : 254,469 = 254,469 : x
2. Step 2: Convert to fraction form
   123,967.50/254,469 = 254,469/x
3. Step 3: Cross multiply
   123,967.50x = 254,469 × 254,469
4. Step 4: Simplify right side
   123,967.50x = 64,754,471,961
5. Step 5: Solve for x
   x = 64,754,471,961/123,967.50
6. Step 6: Final answer
   x = 522,350.39