Finding the Third Proportional to 80,280 and 176,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,280 : 176,449.50 = 176,449.50 : x
2. Step 2: Convert to fraction form
   80,280/176,449.50 = 176,449.50/x
3. Step 3: Cross multiply
   80,280x = 176,449.50 × 176,449.50
4. Step 4: Simplify right side
   80,280x = 31,134,426,050.25
5. Step 5: Solve for x
   x = 31,134,426,050.25/80,280
6. Step 6: Final answer
   x = 387,822.95