Finding the Third Proportional to 664,468.50 and 996,498

Step by Step Solution

1. Step 1: Write the proportion equation
   664,468.50 : 996,498 = 996,498 : x
2. Step 2: Convert to fraction form
   664,468.50/996,498 = 996,498/x
3. Step 3: Cross multiply
   664,468.50x = 996,498 × 996,498
4. Step 4: Simplify right side
   664,468.50x = 993,008,264,004
5. Step 5: Solve for x
   x = 993,008,264,004/664,468.50
6. Step 6: Final answer
   x = 1,494,439.94