Finding the Third Proportional to 2,105,822 and 3,391,311

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,822 : 3,391,311 = 3,391,311 : x
2. Step 2: Convert to fraction form
   2,105,822/3,391,311 = 3,391,311/x
3. Step 3: Cross multiply
   2,105,822x = 3,391,311 × 3,391,311
4. Step 4: Simplify right side
   2,105,822x = 11,500,990,298,721
5. Step 5: Solve for x
   x = 11,500,990,298,721/2,105,822
6. Step 6: Final answer
   x = 5,461,520.63