Finding the Third Proportional to 668,756 and 1,036,669

Step by Step Solution

1. Step 1: Write the proportion equation
   668,756 : 1,036,669 = 1,036,669 : x
2. Step 2: Convert to fraction form
   668,756/1,036,669 = 1,036,669/x
3. Step 3: Cross multiply
   668,756x = 1,036,669 × 1,036,669
4. Step 4: Simplify right side
   668,756x = 1,074,682,615,561
5. Step 5: Solve for x
   x = 1,074,682,615,561/668,756
6. Step 6: Final answer
   x = 1,606,987.62