Finding the Third Proportional to 568,862 and 1,218,687

Step by Step Solution

1. Step 1: Write the proportion equation
   568,862 : 1,218,687 = 1,218,687 : x
2. Step 2: Convert to fraction form
   568,862/1,218,687 = 1,218,687/x
3. Step 3: Cross multiply
   568,862x = 1,218,687 × 1,218,687
4. Step 4: Simplify right side
   568,862x = 1,485,198,003,969
5. Step 5: Solve for x
   x = 1,485,198,003,969/568,862
6. Step 6: Final answer
   x = 2,610,823.02