Finding the Third Proportional to 1,553,728 and 3,389,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,728 : 3,389,896 = 3,389,896 : x
2. Step 2: Convert to fraction form
   1,553,728/3,389,896 = 3,389,896/x
3. Step 3: Cross multiply
   1,553,728x = 3,389,896 × 3,389,896
4. Step 4: Simplify right side
   1,553,728x = 11,491,394,890,816
5. Step 5: Solve for x
   x = 11,491,394,890,816/1,553,728
6. Step 6: Final answer
   x = 7,396,014.55