Finding the Third Proportional to 333,168.38 and 487,257

Step by Step Solution

1. Step 1: Write the proportion equation
   333,168.38 : 487,257 = 487,257 : x
2. Step 2: Convert to fraction form
   333,168.38/487,257 = 487,257/x
3. Step 3: Cross multiply
   333,168.38x = 487,257 × 487,257
4. Step 4: Simplify right side
   333,168.38x = 237,419,384,049
5. Step 5: Solve for x
   x = 237,419,384,049/333,168.38
6. Step 6: Final answer
   x = 712,610.81