Finding the Third Proportional to 1,399,865 and 2,998,006

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,865 : 2,998,006 = 2,998,006 : x
2. Step 2: Convert to fraction form
   1,399,865/2,998,006 = 2,998,006/x
3. Step 3: Cross multiply
   1,399,865x = 2,998,006 × 2,998,006
4. Step 4: Simplify right side
   1,399,865x = 8,988,039,976,036
5. Step 5: Solve for x
   x = 8,988,039,976,036/1,399,865
6. Step 6: Final answer
   x = 6,420,647.69