Finding the Third Proportional to 131.91 and 246.56

Step by Step Solution

1. Step 1: Write the proportion equation
   131.91 : 246.56 = 246.56 : x
2. Step 2: Convert to fraction form
   131.91/246.56 = 246.56/x
3. Step 3: Cross multiply
   131.91x = 246.56 × 246.56
4. Step 4: Simplify right side
   131.91x = 60,793.07
5. Step 5: Solve for x
   x = 60,793.07/131.91
6. Step 6: Final answer
   x = 460.88