Finding the Third Proportional to 1,542,468 and 3,321,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,542,468 : 3,321,728 = 3,321,728 : x
2. Step 2: Convert to fraction form
   1,542,468/3,321,728 = 3,321,728/x
3. Step 3: Cross multiply
   1,542,468x = 3,321,728 × 3,321,728
4. Step 4: Simplify right side
   1,542,468x = 11,033,876,905,984
5. Step 5: Solve for x
   x = 11,033,876,905,984/1,542,468
6. Step 6: Final answer
   x = 7,153,391.13