Finding the Third Proportional to 498.94 and 717.47

Step by Step Solution

1. Step 1: Write the proportion equation
   498.94 : 717.47 = 717.47 : x
2. Step 2: Convert to fraction form
   498.94/717.47 = 717.47/x
3. Step 3: Cross multiply
   498.94x = 717.47 × 717.47
4. Step 4: Simplify right side
   498.94x = 514,761.41
5. Step 5: Solve for x
   x = 514,761.41/498.94
6. Step 6: Final answer
   x = 1,031.72