Finding the Third Proportional to 449,981 and 978,694

Step by Step Solution

1. Step 1: Write the proportion equation
   449,981 : 978,694 = 978,694 : x
2. Step 2: Convert to fraction form
   449,981/978,694 = 978,694/x
3. Step 3: Cross multiply
   449,981x = 978,694 × 978,694
4. Step 4: Simplify right side
   449,981x = 957,841,945,636
5. Step 5: Solve for x
   x = 957,841,945,636/449,981
6. Step 6: Final answer
   x = 2,128,627.53