Finding the Third Proportional to 1,257,354 and 2,572,812

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,354 : 2,572,812 = 2,572,812 : x
2. Step 2: Convert to fraction form
   1,257,354/2,572,812 = 2,572,812/x
3. Step 3: Cross multiply
   1,257,354x = 2,572,812 × 2,572,812
4. Step 4: Simplify right side
   1,257,354x = 6,619,361,587,344
5. Step 5: Solve for x
   x = 6,619,361,587,344/1,257,354
6. Step 6: Final answer
   x = 5,264,517.06