Finding the Third Proportional to 648,340.50 and 1,396,554

Step by Step Solution

1. Step 1: Write the proportion equation
   648,340.50 : 1,396,554 = 1,396,554 : x
2. Step 2: Convert to fraction form
   648,340.50/1,396,554 = 1,396,554/x
3. Step 3: Cross multiply
   648,340.50x = 1,396,554 × 1,396,554
4. Step 4: Simplify right side
   648,340.50x = 1,950,363,074,916
5. Step 5: Solve for x
   x = 1,950,363,074,916/648,340.50
6. Step 6: Final answer
   x = 3,008,238.84