Finding the Third Proportional to 337,899 and 472,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   337,899 : 472,402.50 = 472,402.50 : x
2. Step 2: Convert to fraction form
   337,899/472,402.50 = 472,402.50/x
3. Step 3: Cross multiply
   337,899x = 472,402.50 × 472,402.50
4. Step 4: Simplify right side
   337,899x = 223,164,122,006.25
5. Step 5: Solve for x
   x = 223,164,122,006.25/337,899
6. Step 6: Final answer
   x = 660,446.23