Finding the Third Proportional to 1,399,864 and 2,998,000

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,864 : 2,998,000 = 2,998,000 : x
2. Step 2: Convert to fraction form
   1,399,864/2,998,000 = 2,998,000/x
3. Step 3: Cross multiply
   1,399,864x = 2,998,000 × 2,998,000
4. Step 4: Simplify right side
   1,399,864x = 8,988,004,000,000
5. Step 5: Solve for x
   x = 8,988,004,000,000/1,399,864
6. Step 6: Final answer
   x = 6,420,626.58