Finding the Third Proportional to 1,257,678 and 2,714,544

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,678 : 2,714,544 = 2,714,544 : x
2. Step 2: Convert to fraction form
   1,257,678/2,714,544 = 2,714,544/x
3. Step 3: Cross multiply
   1,257,678x = 2,714,544 × 2,714,544
4. Step 4: Simplify right side
   1,257,678x = 7,368,749,127,936
5. Step 5: Solve for x
   x = 7,368,749,127,936/1,257,678
6. Step 6: Final answer
   x = 5,859,010.91