Finding the Third Proportional to 152.72 and 333.70

Step by Step Solution

1. Step 1: Write the proportion equation
   152.72 : 333.70 = 333.70 : x
2. Step 2: Convert to fraction form
   152.72/333.70 = 333.70/x
3. Step 3: Cross multiply
   152.72x = 333.70 × 333.70
4. Step 4: Simplify right side
   152.72x = 111,357.78
5. Step 5: Solve for x
   x = 111,357.78/152.72
6. Step 6: Final answer
   x = 729.17