Finding the Third Proportional to 115.38 and 168.54

Step by Step Solution

1. Step 1: Write the proportion equation
   115.38 : 168.54 = 168.54 : x
2. Step 2: Convert to fraction form
   115.38/168.54 = 168.54/x
3. Step 3: Cross multiply
   115.38x = 168.54 × 168.54
4. Step 4: Simplify right side
   115.38x = 28,405.42
5. Step 5: Solve for x
   x = 28,405.42/115.38
6. Step 6: Final answer
   x = 246.18