Finding the Third Proportional to 160.45 and 242.30

Step by Step Solution

1. Step 1: Write the proportion equation
   160.45 : 242.30 = 242.30 : x
2. Step 2: Convert to fraction form
   160.45/242.30 = 242.30/x
3. Step 3: Cross multiply
   160.45x = 242.30 × 242.30
4. Step 4: Simplify right side
   160.45x = 58,707.78
5. Step 5: Solve for x
   x = 58,707.78/160.45
6. Step 6: Final answer
   x = 365.89