Finding the Third Proportional to 333.28 and 498.23

Step by Step Solution

1. Step 1: Write the proportion equation
   333.28 : 498.23 = 498.23 : x
2. Step 2: Convert to fraction form
   333.28/498.23 = 498.23/x
3. Step 3: Cross multiply
   333.28x = 498.23 × 498.23
4. Step 4: Simplify right side
   333.28x = 248,237.49
5. Step 5: Solve for x
   x = 248,237.49/333.28
6. Step 6: Final answer
   x = 744.83