Finding the Third Proportional to 2,040,420 and 4,468,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040,420 : 4,468,664 = 4,468,664 : x
2. Step 2: Convert to fraction form
   2,040,420/4,468,664 = 4,468,664/x
3. Step 3: Cross multiply
   2,040,420x = 4,468,664 × 4,468,664
4. Step 4: Simplify right side
   2,040,420x = 19,968,957,944,896
5. Step 5: Solve for x
   x = 19,968,957,944,896/2,040,420
6. Step 6: Final answer
   x = 9,786,689.97