Finding the Third Proportional to 663,010 and 1,019,686

Step by Step Solution

1. Step 1: Write the proportion equation
   663,010 : 1,019,686 = 1,019,686 : x
2. Step 2: Convert to fraction form
   663,010/1,019,686 = 1,019,686/x
3. Step 3: Cross multiply
   663,010x = 1,019,686 × 1,019,686
4. Step 4: Simplify right side
   663,010x = 1,039,759,538,596
5. Step 5: Solve for x
   x = 1,039,759,538,596/663,010
6. Step 6: Final answer
   x = 1,568,241.11