Finding the Third Proportional to 2,665,408 and 5,756,359

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,408 : 5,756,359 = 5,756,359 : x
2. Step 2: Convert to fraction form
   2,665,408/5,756,359 = 5,756,359/x
3. Step 3: Cross multiply
   2,665,408x = 5,756,359 × 5,756,359
4. Step 4: Simplify right side
   2,665,408x = 33,135,668,936,881
5. Step 5: Solve for x
   x = 33,135,668,936,881/2,665,408
6. Step 6: Final answer
   x = 12,431,743.63