Finding the Third Proportional to 1,277,688 and 2,814,626

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,688 : 2,814,626 = 2,814,626 : x
2. Step 2: Convert to fraction form
   1,277,688/2,814,626 = 2,814,626/x
3. Step 3: Cross multiply
   1,277,688x = 2,814,626 × 2,814,626
4. Step 4: Simplify right side
   1,277,688x = 7,922,119,519,876
5. Step 5: Solve for x
   x = 7,922,119,519,876/1,277,688
6. Step 6: Final answer
   x = 6,200,355.27