Finding the Third Proportional to 1,264,586 and 2,248,480

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264,586 : 2,248,480 = 2,248,480 : x
2. Step 2: Convert to fraction form
   1,264,586/2,248,480 = 2,248,480/x
3. Step 3: Cross multiply
   1,264,586x = 2,248,480 × 2,248,480
4. Step 4: Simplify right side
   1,264,586x = 5,055,662,310,400
5. Step 5: Solve for x
   x = 5,055,662,310,400/1,264,586
6. Step 6: Final answer
   x = 3,997,879.39