Finding the Third Proportional to 51.66 and 112.53

Step by Step Solution

1. Step 1: Write the proportion equation
   51.66 : 112.53 = 112.53 : x
2. Step 2: Convert to fraction form
   51.66/112.53 = 112.53/x
3. Step 3: Cross multiply
   51.66x = 112.53 × 112.53
4. Step 4: Simplify right side
   51.66x = 12,662.31
5. Step 5: Solve for x
   x = 12,662.31/51.66
6. Step 6: Final answer
   x = 245.12