Finding the Third Proportional to 647,067 and 1,401,228

Step by Step Solution

1. Step 1: Write the proportion equation
   647,067 : 1,401,228 = 1,401,228 : x
2. Step 2: Convert to fraction form
   647,067/1,401,228 = 1,401,228/x
3. Step 3: Cross multiply
   647,067x = 1,401,228 × 1,401,228
4. Step 4: Simplify right side
   647,067x = 1,963,439,907,984
5. Step 5: Solve for x
   x = 1,963,439,907,984/647,067
6. Step 6: Final answer
   x = 3,034,368.79