Finding the Third Proportional to 1,257,567 and 1,777,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,567 : 1,777,728 = 1,777,728 : x
2. Step 2: Convert to fraction form
   1,257,567/1,777,728 = 1,777,728/x
3. Step 3: Cross multiply
   1,257,567x = 1,777,728 × 1,777,728
4. Step 4: Simplify right side
   1,257,567x = 3,160,316,841,984
5. Step 5: Solve for x
   x = 3,160,316,841,984/1,257,567
6. Step 6: Final answer
   x = 2,513,040.53