Finding the Third Proportional to 665,208 and 996,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   665,208 : 996,784.50 = 996,784.50 : x
2. Step 2: Convert to fraction form
   665,208/996,784.50 = 996,784.50/x
3. Step 3: Cross multiply
   665,208x = 996,784.50 × 996,784.50
4. Step 4: Simplify right side
   665,208x = 993,579,339,440.25
5. Step 5: Solve for x
   x = 993,579,339,440.25/665,208
6. Step 6: Final answer
   x = 1,493,637.09