Finding the Third Proportional to 1,915,456 and 2,856,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,456 : 2,856,570 = 2,856,570 : x
2. Step 2: Convert to fraction form
   1,915,456/2,856,570 = 2,856,570/x
3. Step 3: Cross multiply
   1,915,456x = 2,856,570 × 2,856,570
4. Step 4: Simplify right side
   1,915,456x = 8,159,992,164,900
5. Step 5: Solve for x
   x = 8,159,992,164,900/1,915,456
6. Step 6: Final answer
   x = 4,260,078.10