Finding the Third Proportional to 207,549 and 313,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,549 : 313,231.50 = 313,231.50 : x
2. Step 2: Convert to fraction form
   207,549/313,231.50 = 313,231.50/x
3. Step 3: Cross multiply
   207,549x = 313,231.50 × 313,231.50
4. Step 4: Simplify right side
   207,549x = 98,113,972,592.25
5. Step 5: Solve for x
   x = 98,113,972,592.25/207,549
6. Step 6: Final answer
   x = 472,726.79