Finding the Third Proportional to 2,769,408 and 5,818,728

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769,408 : 5,818,728 = 5,818,728 : x
2. Step 2: Convert to fraction form
   2,769,408/5,818,728 = 5,818,728/x
3. Step 3: Cross multiply
   2,769,408x = 5,818,728 × 5,818,728
4. Step 4: Simplify right side
   2,769,408x = 33,857,595,537,984
5. Step 5: Solve for x
   x = 33,857,595,537,984/2,769,408
6. Step 6: Final answer
   x = 12,225,571.51