Finding the Third Proportional to 234,387 and 331,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   234,387 : 331,870.50 = 331,870.50 : x
2. Step 2: Convert to fraction form
   234,387/331,870.50 = 331,870.50/x
3. Step 3: Cross multiply
   234,387x = 331,870.50 × 331,870.50
4. Step 4: Simplify right side
   234,387x = 110,138,028,770.25
5. Step 5: Solve for x
   x = 110,138,028,770.25/234,387
6. Step 6: Final answer
   x = 469,898.20