Finding the Third Proportional to 2,040,690 and 4,448,814

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040,690 : 4,448,814 = 4,448,814 : x
2. Step 2: Convert to fraction form
   2,040,690/4,448,814 = 4,448,814/x
3. Step 3: Cross multiply
   2,040,690x = 4,448,814 × 4,448,814
4. Step 4: Simplify right side
   2,040,690x = 19,791,946,006,596
5. Step 5: Solve for x
   x = 19,791,946,006,596/2,040,690
6. Step 6: Final answer
   x = 9,698,653.89