Finding the Third Proportional to 663,020 and 1,019,698

Step by Step Solution

1. Step 1: Write the proportion equation
   663,020 : 1,019,698 = 1,019,698 : x
2. Step 2: Convert to fraction form
   663,020/1,019,698 = 1,019,698/x
3. Step 3: Cross multiply
   663,020x = 1,019,698 × 1,019,698
4. Step 4: Simplify right side
   663,020x = 1,039,784,011,204
5. Step 5: Solve for x
   x = 1,039,784,011,204/663,020
6. Step 6: Final answer
   x = 1,568,254.37