Finding the Third Proportional to 1,277,686 and 2,814,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,686 : 2,814,620 = 2,814,620 : x
2. Step 2: Convert to fraction form
   1,277,686/2,814,620 = 2,814,620/x
3. Step 3: Cross multiply
   1,277,686x = 2,814,620 × 2,814,620
4. Step 4: Simplify right side
   1,277,686x = 7,922,085,744,400
5. Step 5: Solve for x
   x = 7,922,085,744,400/1,277,686
6. Step 6: Final answer
   x = 6,200,338.54