Finding the Third Proportional to 1,257,542 and 1,777,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,542 : 1,777,692 = 1,777,692 : x
2. Step 2: Convert to fraction form
   1,257,542/1,777,692 = 1,777,692/x
3. Step 3: Cross multiply
   1,257,542x = 1,777,692 × 1,777,692
4. Step 4: Simplify right side
   1,257,542x = 3,160,188,846,864
5. Step 5: Solve for x
   x = 3,160,188,846,864/1,257,542
6. Step 6: Final answer
   x = 2,512,988.71