Finding the Third Proportional to 668,761 and 1,036,676

Step by Step Solution

1. Step 1: Write the proportion equation
   668,761 : 1,036,676 = 1,036,676 : x
2. Step 2: Convert to fraction form
   668,761/1,036,676 = 1,036,676/x
3. Step 3: Cross multiply
   668,761x = 1,036,676 × 1,036,676
4. Step 4: Simplify right side
   668,761x = 1,074,697,128,976
5. Step 5: Solve for x
   x = 1,074,697,128,976/668,761
6. Step 6: Final answer
   x = 1,606,997.31