Finding the Third Proportional to 668,858 and 1,036,087

Step by Step Solution

1. Step 1: Write the proportion equation
   668,858 : 1,036,087 = 1,036,087 : x
2. Step 2: Convert to fraction form
   668,858/1,036,087 = 1,036,087/x
3. Step 3: Cross multiply
   668,858x = 1,036,087 × 1,036,087
4. Step 4: Simplify right side
   668,858x = 1,073,476,271,569
5. Step 5: Solve for x
   x = 1,073,476,271,569/668,858
6. Step 6: Final answer
   x = 1,604,938.97