Finding the Third Proportional to 449,579 and 978,483

Step by Step Solution

1. Step 1: Write the proportion equation
   449,579 : 978,483 = 978,483 : x
2. Step 2: Convert to fraction form
   449,579/978,483 = 978,483/x
3. Step 3: Cross multiply
   449,579x = 978,483 × 978,483
4. Step 4: Simplify right side
   449,579x = 957,428,981,289
5. Step 5: Solve for x
   x = 957,428,981,289/449,579
6. Step 6: Final answer
   x = 2,129,612.33