Finding the Third Proportional to 168.43 and 251.61

Step by Step Solution

1. Step 1: Write the proportion equation
   168.43 : 251.61 = 251.61 : x
2. Step 2: Convert to fraction form
   168.43/251.61 = 251.61/x
3. Step 3: Cross multiply
   168.43x = 251.61 × 251.61
4. Step 4: Simplify right side
   168.43x = 63,309.24
5. Step 5: Solve for x
   x = 63,309.24/168.43
6. Step 6: Final answer
   x = 375.87