Finding the Third Proportional to 51.31 and 112.59

Step by Step Solution

1. Step 1: Write the proportion equation
   51.31 : 112.59 = 112.59 : x
2. Step 2: Convert to fraction form
   51.31/112.59 = 112.59/x
3. Step 3: Cross multiply
   51.31x = 112.59 × 112.59
4. Step 4: Simplify right side
   51.31x = 12,676.03
5. Step 5: Solve for x
   x = 12,676.03/51.31
6. Step 6: Final answer
   x = 247.05