Finding the Third Proportional to 668,018 and 1,401,682

Step by Step Solution

1. Step 1: Write the proportion equation
   668,018 : 1,401,682 = 1,401,682 : x
2. Step 2: Convert to fraction form
   668,018/1,401,682 = 1,401,682/x
3. Step 3: Cross multiply
   668,018x = 1,401,682 × 1,401,682
4. Step 4: Simplify right side
   668,018x = 1,964,712,429,124
5. Step 5: Solve for x
   x = 1,964,712,429,124/668,018
6. Step 6: Final answer
   x = 2,941,107.02