Finding the Third Proportional to 1,542,578 and 3,160,324

Step by Step Solution

1. Step 1: Write the proportion equation
   1,542,578 : 3,160,324 = 3,160,324 : x
2. Step 2: Convert to fraction form
   1,542,578/3,160,324 = 3,160,324/x
3. Step 3: Cross multiply
   1,542,578x = 3,160,324 × 3,160,324
4. Step 4: Simplify right side
   1,542,578x = 9,987,647,784,976
5. Step 5: Solve for x
   x = 9,987,647,784,976/1,542,578
6. Step 6: Final answer
   x = 6,474,646.85