Finding the Third Proportional to 3,321,569 and 5,423,777

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321,569 : 5,423,777 = 5,423,777 : x
2. Step 2: Convert to fraction form
   3,321,569/5,423,777 = 5,423,777/x
3. Step 3: Cross multiply
   3,321,569x = 5,423,777 × 5,423,777
4. Step 4: Simplify right side
   3,321,569x = 29,417,356,945,729
5. Step 5: Solve for x
   x = 29,417,356,945,729/3,321,569
6. Step 6: Final answer
   x = 8,856,464.20