Finding the Third Proportional to 1,297,556 and 2,786,902

Step by Step Solution

1. Step 1: Write the proportion equation
   1,297,556 : 2,786,902 = 2,786,902 : x
2. Step 2: Convert to fraction form
   1,297,556/2,786,902 = 2,786,902/x
3. Step 3: Cross multiply
   1,297,556x = 2,786,902 × 2,786,902
4. Step 4: Simplify right side
   1,297,556x = 7,766,822,757,604
5. Step 5: Solve for x
   x = 7,766,822,757,604/1,297,556
6. Step 6: Final answer
   x = 5,985,732.22