Finding the Third Proportional to 1,257,348 and 2,572,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,348 : 2,572,800 = 2,572,800 : x
2. Step 2: Convert to fraction form
   1,257,348/2,572,800 = 2,572,800/x
3. Step 3: Cross multiply
   1,257,348x = 2,572,800 × 2,572,800
4. Step 4: Simplify right side
   1,257,348x = 6,619,299,840,000
5. Step 5: Solve for x
   x = 6,619,299,840,000/1,257,348
6. Step 6: Final answer
   x = 5,264,493.08