Finding the Third Proportional to 113.48 and 240.89

Step by Step Solution

1. Step 1: Write the proportion equation
   113.48 : 240.89 = 240.89 : x
2. Step 2: Convert to fraction form
   113.48/240.89 = 240.89/x
3. Step 3: Cross multiply
   113.48x = 240.89 × 240.89
4. Step 4: Simplify right side
   113.48x = 58,028.29
5. Step 5: Solve for x
   x = 58,028.29/113.48
6. Step 6: Final answer
   x = 511.33