Finding the Third Proportional to 110,411.25 and 239,493

Step by Step Solution

1. Step 1: Write the proportion equation
   110,411.25 : 239,493 = 239,493 : x
2. Step 2: Convert to fraction form
   110,411.25/239,493 = 239,493/x
3. Step 3: Cross multiply
   110,411.25x = 239,493 × 239,493
4. Step 4: Simplify right side
   110,411.25x = 57,356,897,049
5. Step 5: Solve for x
   x = 57,356,897,049/110,411.25
6. Step 6: Final answer
   x = 519,484.17