Finding the Third Proportional to 1,257,592 and 1,777,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,592 : 1,777,760 = 1,777,760 : x
2. Step 2: Convert to fraction form
   1,257,592/1,777,760 = 1,777,760/x
3. Step 3: Cross multiply
   1,257,592x = 1,777,760 × 1,777,760
4. Step 4: Simplify right side
   1,257,592x = 3,160,430,617,600
5. Step 5: Solve for x
   x = 3,160,430,617,600/1,257,592
6. Step 6: Final answer
   x = 2,513,081.05