Finding the Third Proportional to 979,817 and 1,998,999

Step by Step Solution

1. Step 1: Write the proportion equation
   979,817 : 1,998,999 = 1,998,999 : x
2. Step 2: Convert to fraction form
   979,817/1,998,999 = 1,998,999/x
3. Step 3: Cross multiply
   979,817x = 1,998,999 × 1,998,999
4. Step 4: Simplify right side
   979,817x = 3,995,997,002,001
5. Step 5: Solve for x
   x = 3,995,997,002,001/979,817
6. Step 6: Final answer
   x = 4,078,309.52