Finding the Third Proportional to 449,959 and 978,650

Step by Step Solution

1. Step 1: Write the proportion equation
   449,959 : 978,650 = 978,650 : x
2. Step 2: Convert to fraction form
   449,959/978,650 = 978,650/x
3. Step 3: Cross multiply
   449,959x = 978,650 × 978,650
4. Step 4: Simplify right side
   449,959x = 957,755,822,500
5. Step 5: Solve for x
   x = 957,755,822,500/449,959
6. Step 6: Final answer
   x = 2,128,540.21