Finding the Third Proportional to 669,405 and 1,019,808

Step by Step Solution

1. Step 1: Write the proportion equation
   669,405 : 1,019,808 = 1,019,808 : x
2. Step 2: Convert to fraction form
   669,405/1,019,808 = 1,019,808/x
3. Step 3: Cross multiply
   669,405x = 1,019,808 × 1,019,808
4. Step 4: Simplify right side
   669,405x = 1,040,008,356,864
5. Step 5: Solve for x
   x = 1,040,008,356,864/669,405
6. Step 6: Final answer
   x = 1,553,631.00