Finding the Third Proportional to 665,499 and 997,924.50

Step by Step Solution

1. Step 1: Write the proportion equation
   665,499 : 997,924.50 = 997,924.50 : x
2. Step 2: Convert to fraction form
   665,499/997,924.50 = 997,924.50/x
3. Step 3: Cross multiply
   665,499x = 997,924.50 × 997,924.50
4. Step 4: Simplify right side
   665,499x = 995,853,307,700.25
5. Step 5: Solve for x
   x = 995,853,307,700.25/665,499
6. Step 6: Final answer
   x = 1,496,400.91