Finding the Third Proportional to 1,277,706 and 2,821,254

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,706 : 2,821,254 = 2,821,254 : x
2. Step 2: Convert to fraction form
   1,277,706/2,821,254 = 2,821,254/x
3. Step 3: Cross multiply
   1,277,706x = 2,821,254 × 2,821,254
4. Step 4: Simplify right side
   1,277,706x = 7,959,474,132,516
5. Step 5: Solve for x
   x = 7,959,474,132,516/1,277,706
6. Step 6: Final answer
   x = 6,229,503.60