Finding the Third Proportional to 51.91 and 112.52

Step by Step Solution

1. Step 1: Write the proportion equation
   51.91 : 112.52 = 112.52 : x
2. Step 2: Convert to fraction form
   51.91/112.52 = 112.52/x
3. Step 3: Cross multiply
   51.91x = 112.52 × 112.52
4. Step 4: Simplify right side
   51.91x = 12,661.52
5. Step 5: Solve for x
   x = 12,661.52/51.91
6. Step 6: Final answer
   x = 243.89