Finding the Third Proportional to 671,957 and 1,040,439

Step by Step Solution

1. Step 1: Write the proportion equation
   671,957 : 1,040,439 = 1,040,439 : x
2. Step 2: Convert to fraction form
   671,957/1,040,439 = 1,040,439/x
3. Step 3: Cross multiply
   671,957x = 1,040,439 × 1,040,439
4. Step 4: Simplify right side
   671,957x = 1,082,513,312,721
5. Step 5: Solve for x
   x = 1,082,513,312,721/671,957
6. Step 6: Final answer
   x = 1,610,985.99