Finding the Third Proportional to 649,018.50 and 1,420,386

Step by Step Solution

1. Step 1: Write the proportion equation
   649,018.50 : 1,420,386 = 1,420,386 : x
2. Step 2: Convert to fraction form
   649,018.50/1,420,386 = 1,420,386/x
3. Step 3: Cross multiply
   649,018.50x = 1,420,386 × 1,420,386
4. Step 4: Simplify right side
   649,018.50x = 2,017,496,388,996
5. Step 5: Solve for x
   x = 2,017,496,388,996/649,018.50
6. Step 6: Final answer
   x = 3,108,534.49