Finding the Third Proportional to 450,439 and 978,757

Step by Step Solution

1. Step 1: Write the proportion equation
   450,439 : 978,757 = 978,757 : x
2. Step 2: Convert to fraction form
   450,439/978,757 = 978,757/x
3. Step 3: Cross multiply
   450,439x = 978,757 × 978,757
4. Step 4: Simplify right side
   450,439x = 957,965,265,049
5. Step 5: Solve for x
   x = 957,965,265,049/450,439
6. Step 6: Final answer
   x = 2,126,736.95