Finding the Third Proportional to 3,405,591 and 5,273,626

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,591 : 5,273,626 = 5,273,626 : x
2. Step 2: Convert to fraction form
   3,405,591/5,273,626 = 5,273,626/x
3. Step 3: Cross multiply
   3,405,591x = 5,273,626 × 5,273,626
4. Step 4: Simplify right side
   3,405,591x = 27,811,131,187,876
5. Step 5: Solve for x
   x = 27,811,131,187,876/3,405,591
6. Step 6: Final answer
   x = 8,166,315.68