Finding the Third Proportional to 1,065,728 and 1,605,632

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,728 : 1,605,632 = 1,605,632 : x
2. Step 2: Convert to fraction form
   1,065,728/1,605,632 = 1,605,632/x
3. Step 3: Cross multiply
   1,065,728x = 1,605,632 × 1,605,632
4. Step 4: Simplify right side
   1,065,728x = 2,578,054,119,424
5. Step 5: Solve for x
   x = 2,578,054,119,424/1,065,728
6. Step 6: Final answer
   x = 2,419,054.50