Finding the Third Proportional to 1,016,661 and 2,200,689

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,661 : 2,200,689 = 2,200,689 : x
2. Step 2: Convert to fraction form
   1,016,661/2,200,689 = 2,200,689/x
3. Step 3: Cross multiply
   1,016,661x = 2,200,689 × 2,200,689
4. Step 4: Simplify right side
   1,016,661x = 4,843,032,074,721
5. Step 5: Solve for x
   x = 4,843,032,074,721/1,016,661
6. Step 6: Final answer
   x = 4,763,664.66