Finding the Third Proportional to 1,399,863 and 2,998,002

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,863 : 2,998,002 = 2,998,002 : x
2. Step 2: Convert to fraction form
   1,399,863/2,998,002 = 2,998,002/x
3. Step 3: Cross multiply
   1,399,863x = 2,998,002 × 2,998,002
4. Step 4: Simplify right side
   1,399,863x = 8,988,015,992,004
5. Step 5: Solve for x
   x = 8,988,015,992,004/1,399,863
6. Step 6: Final answer
   x = 6,420,639.73