Finding the Third Proportional to 1,490,838 and 3,217,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,838 : 3,217,728 = 3,217,728 : x
2. Step 2: Convert to fraction form
   1,490,838/3,217,728 = 3,217,728/x
3. Step 3: Cross multiply
   1,490,838x = 3,217,728 × 3,217,728
4. Step 4: Simplify right side
   1,490,838x = 10,353,773,481,984
5. Step 5: Solve for x
   x = 10,353,773,481,984/1,490,838
6. Step 6: Final answer
   x = 6,944,935.32