Finding the Third Proportional to 450,024 and 978,960

Step by Step Solution

1. Step 1: Write the proportion equation
   450,024 : 978,960 = 978,960 : x
2. Step 2: Convert to fraction form
   450,024/978,960 = 978,960/x
3. Step 3: Cross multiply
   450,024x = 978,960 × 978,960
4. Step 4: Simplify right side
   450,024x = 958,362,681,600
5. Step 5: Solve for x
   x = 958,362,681,600/450,024
6. Step 6: Final answer
   x = 2,129,581.27