Finding the Third Proportional to 71.69 and 155.54

Step by Step Solution

1. Step 1: Write the proportion equation
   71.69 : 155.54 = 155.54 : x
2. Step 2: Convert to fraction form
   71.69/155.54 = 155.54/x
3. Step 3: Cross multiply
   71.69x = 155.54 × 155.54
4. Step 4: Simplify right side
   71.69x = 24,192.70
5. Step 5: Solve for x
   x = 24,192.70/71.69
6. Step 6: Final answer
   x = 337.45