Finding the Third Proportional to 1,399,866 and 2,998,008

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,866 : 2,998,008 = 2,998,008 : x
2. Step 2: Convert to fraction form
   1,399,866/2,998,008 = 2,998,008/x
3. Step 3: Cross multiply
   1,399,866x = 2,998,008 × 2,998,008
4. Step 4: Simplify right side
   1,399,866x = 8,988,051,968,064
5. Step 5: Solve for x
   x = 8,988,051,968,064/1,399,866
6. Step 6: Final answer
   x = 6,420,651.67