Finding the Third Proportional to 158.38 and 245.13

Step by Step Solution

1. Step 1: Write the proportion equation
   158.38 : 245.13 = 245.13 : x
2. Step 2: Convert to fraction form
   158.38/245.13 = 245.13/x
3. Step 3: Cross multiply
   158.38x = 245.13 × 245.13
4. Step 4: Simplify right side
   158.38x = 60,086.27
5. Step 5: Solve for x
   x = 60,086.27/158.38
6. Step 6: Final answer
   x = 379.39