Finding the Third Proportional to 116.40 and 242.41

Step by Step Solution

1. Step 1: Write the proportion equation
   116.40 : 242.41 = 242.41 : x
2. Step 2: Convert to fraction form
   116.40/242.41 = 242.41/x
3. Step 3: Cross multiply
   116.40x = 242.41 × 242.41
4. Step 4: Simplify right side
   116.40x = 58,761.03
5. Step 5: Solve for x
   x = 58,761.03/116.40
6. Step 6: Final answer
   x = 504.83