Finding the Third Proportional to 1,439,788 and 3,150,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,788 : 3,150,728 = 3,150,728 : x
2. Step 2: Convert to fraction form
   1,439,788/3,150,728 = 3,150,728/x
3. Step 3: Cross multiply
   1,439,788x = 3,150,728 × 3,150,728
4. Step 4: Simplify right side
   1,439,788x = 9,927,086,929,984
5. Step 5: Solve for x
   x = 9,927,086,929,984/1,439,788
6. Step 6: Final answer
   x = 6,894,825.44