Finding the Third Proportional to 3,321,360 and 5,423,418

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321,360 : 5,423,418 = 5,423,418 : x
2. Step 2: Convert to fraction form
   3,321,360/5,423,418 = 5,423,418/x
3. Step 3: Cross multiply
   3,321,360x = 5,423,418 × 5,423,418
4. Step 4: Simplify right side
   3,321,360x = 29,413,462,802,724
5. Step 5: Solve for x
   x = 29,413,462,802,724/3,321,360
6. Step 6: Final answer
   x = 8,855,849.05