Finding the Third Proportional to 444,864 and 978,287

Step by Step Solution

1. Step 1: Write the proportion equation
   444,864 : 978,287 = 978,287 : x
2. Step 2: Convert to fraction form
   444,864/978,287 = 978,287/x
3. Step 3: Cross multiply
   444,864x = 978,287 × 978,287
4. Step 4: Simplify right side
   444,864x = 957,045,454,369
5. Step 5: Solve for x
   x = 957,045,454,369/444,864
6. Step 6: Final answer
   x = 2,151,321.42