Finding the Third Proportional to 449,908 and 978,546

Step by Step Solution

1. Step 1: Write the proportion equation
   449,908 : 978,546 = 978,546 : x
2. Step 2: Convert to fraction form
   449,908/978,546 = 978,546/x
3. Step 3: Cross multiply
   449,908x = 978,546 × 978,546
4. Step 4: Simplify right side
   449,908x = 957,552,274,116
5. Step 5: Solve for x
   x = 957,552,274,116/449,908
6. Step 6: Final answer
   x = 2,128,329.07