Finding the Third Proportional to 2,856,456 and 3,916,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856,456 : 3,916,872 = 3,916,872 : x
2. Step 2: Convert to fraction form
   2,856,456/3,916,872 = 3,916,872/x
3. Step 3: Cross multiply
   2,856,456x = 3,916,872 × 3,916,872
4. Step 4: Simplify right side
   2,856,456x = 15,341,886,264,384
5. Step 5: Solve for x
   x = 15,341,886,264,384/2,856,456
6. Step 6: Final answer
   x = 5,370,951.37