Finding the Third Proportional to 449,647 and 978,592

Step by Step Solution

1. Step 1: Write the proportion equation
   449,647 : 978,592 = 978,592 : x
2. Step 2: Convert to fraction form
   449,647/978,592 = 978,592/x
3. Step 3: Cross multiply
   449,647x = 978,592 × 978,592
4. Step 4: Simplify right side
   449,647x = 957,642,302,464
5. Step 5: Solve for x
   x = 957,642,302,464/449,647
6. Step 6: Final answer
   x = 2,129,764.69