Finding the Third Proportional to 80.38 and 176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80.38 : 176.50 = 176.50 : x
2. Step 2: Convert to fraction form
   80.38/176.50 = 176.50/x
3. Step 3: Cross multiply
   80.38x = 176.50 × 176.50
4. Step 4: Simplify right side
   80.38x = 31,152.25
5. Step 5: Solve for x
   x = 31,152.25/80.38
6. Step 6: Final answer
   x = 387.59