Finding the Third Proportional to 1,257,353 and 2,572,810

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,353 : 2,572,810 = 2,572,810 : x
2. Step 2: Convert to fraction form
   1,257,353/2,572,810 = 2,572,810/x
3. Step 3: Cross multiply
   1,257,353x = 2,572,810 × 2,572,810
4. Step 4: Simplify right side
   1,257,353x = 6,619,351,296,100
5. Step 5: Solve for x
   x = 6,619,351,296,100/1,257,353
6. Step 6: Final answer
   x = 5,264,513.07