Finding the Third Proportional to 71.97 and 155.05

Step by Step Solution

1. Step 1: Write the proportion equation
   71.97 : 155.05 = 155.05 : x
2. Step 2: Convert to fraction form
   71.97/155.05 = 155.05/x
3. Step 3: Cross multiply
   71.97x = 155.05 × 155.05
4. Step 4: Simplify right side
   71.97x = 24,039.53
5. Step 5: Solve for x
   x = 24,039.53/71.97
6. Step 6: Final answer
   x = 334.03