Finding the Third Proportional to 668,022 and 1,401,690

Step by Step Solution

1. Step 1: Write the proportion equation
   668,022 : 1,401,690 = 1,401,690 : x
2. Step 2: Convert to fraction form
   668,022/1,401,690 = 1,401,690/x
3. Step 3: Cross multiply
   668,022x = 1,401,690 × 1,401,690
4. Step 4: Simplify right side
   668,022x = 1,964,734,856,100
5. Step 5: Solve for x
   x = 1,964,734,856,100/668,022
6. Step 6: Final answer
   x = 2,941,122.98