Finding the Third Proportional to 1,264,574 and 2,248,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264,574 : 2,248,456 = 2,248,456 : x
2. Step 2: Convert to fraction form
   1,264,574/2,248,456 = 2,248,456/x
3. Step 3: Cross multiply
   1,264,574x = 2,248,456 × 2,248,456
4. Step 4: Simplify right side
   1,264,574x = 5,055,554,383,936
5. Step 5: Solve for x
   x = 5,055,554,383,936/1,264,574
6. Step 6: Final answer
   x = 3,997,831.98