Finding the Third Proportional to 333,660.50 and 517,078

Step by Step Solution

1. Step 1: Write the proportion equation
   333,660.50 : 517,078 = 517,078 : x
2. Step 2: Convert to fraction form
   333,660.50/517,078 = 517,078/x
3. Step 3: Cross multiply
   333,660.50x = 517,078 × 517,078
4. Step 4: Simplify right side
   333,660.50x = 267,369,658,084
5. Step 5: Solve for x
   x = 267,369,658,084/333,660.50
6. Step 6: Final answer
   x = 801,322.48