Finding the Third Proportional to 333.39 and 491.52

Step by Step Solution

1. Step 1: Write the proportion equation
   333.39 : 491.52 = 491.52 : x
2. Step 2: Convert to fraction form
   333.39/491.52 = 491.52/x
3. Step 3: Cross multiply
   333.39x = 491.52 × 491.52
4. Step 4: Simplify right side
   333.39x = 241,591.45
5. Step 5: Solve for x
   x = 241,591.45/333.39
6. Step 6: Final answer
   x = 724.66