Finding the Third Proportional to 72.88 and 155.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72.88 : 155.84 = 155.84 : x
2. Step 2: Convert to fraction form
   72.88/155.84 = 155.84/x
3. Step 3: Cross multiply
   72.88x = 155.84 × 155.84
4. Step 4: Simplify right side
   72.88x = 24,287.27
5. Step 5: Solve for x
   x = 24,287.27/72.88
6. Step 6: Final answer
   x = 333.27