Finding the Third Proportional to 648,909 and 1,397,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   648,909 : 1,397,650.50 = 1,397,650.50 : x
2. Step 2: Convert to fraction form
   648,909/1,397,650.50 = 1,397,650.50/x
3. Step 3: Cross multiply
   648,909x = 1,397,650.50 × 1,397,650.50
4. Step 4: Simplify right side
   648,909x = 1,953,426,920,150.25
5. Step 5: Solve for x
   x = 1,953,426,920,150.25/648,909
6. Step 6: Final answer
   x = 3,010,324.90