Finding the Third Proportional to 1,257,568 and 1,777,729

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,568 : 1,777,729 = 1,777,729 : x
2. Step 2: Convert to fraction form
   1,257,568/1,777,729 = 1,777,729/x
3. Step 3: Cross multiply
   1,257,568x = 1,777,729 × 1,777,729
4. Step 4: Simplify right side
   1,257,568x = 3,160,320,397,441
5. Step 5: Solve for x
   x = 3,160,320,397,441/1,257,568
6. Step 6: Final answer
   x = 2,513,041.36