Finding the Third Proportional to 669,608 and 1,010,449

Step by Step Solution

1. Step 1: Write the proportion equation
   669,608 : 1,010,449 = 1,010,449 : x
2. Step 2: Convert to fraction form
   669,608/1,010,449 = 1,010,449/x
3. Step 3: Cross multiply
   669,608x = 1,010,449 × 1,010,449
4. Step 4: Simplify right side
   669,608x = 1,021,007,181,601
5. Step 5: Solve for x
   x = 1,021,007,181,601/669,608
6. Step 6: Final answer
   x = 1,524,783.43