Finding the Third Proportional to 442,707.75 and 978,444

Step by Step Solution

1. Step 1: Write the proportion equation
   442,707.75 : 978,444 = 978,444 : x
2. Step 2: Convert to fraction form
   442,707.75/978,444 = 978,444/x
3. Step 3: Cross multiply
   442,707.75x = 978,444 × 978,444
4. Step 4: Simplify right side
   442,707.75x = 957,352,661,136
5. Step 5: Solve for x
   x = 957,352,661,136/442,707.75
6. Step 6: Final answer
   x = 2,162,493.57