Finding the Third Proportional to 450,028 and 978,968

Step by Step Solution

1. Step 1: Write the proportion equation
   450,028 : 978,968 = 978,968 : x
2. Step 2: Convert to fraction form
   450,028/978,968 = 978,968/x
3. Step 3: Cross multiply
   450,028x = 978,968 × 978,968
4. Step 4: Simplify right side
   450,028x = 958,378,345,024
5. Step 5: Solve for x
   x = 958,378,345,024/450,028
6. Step 6: Final answer
   x = 2,129,597.15