Finding the Third Proportional to 449,585 and 978,495

Step by Step Solution

1. Step 1: Write the proportion equation
   449,585 : 978,495 = 978,495 : x
2. Step 2: Convert to fraction form
   449,585/978,495 = 978,495/x
3. Step 3: Cross multiply
   449,585x = 978,495 × 978,495
4. Step 4: Simplify right side
   449,585x = 957,452,465,025
5. Step 5: Solve for x
   x = 957,452,465,025/449,585
6. Step 6: Final answer
   x = 2,129,636.14