Finding the Third Proportional to 444,834 and 978,211

Step by Step Solution

1. Step 1: Write the proportion equation
   444,834 : 978,211 = 978,211 : x
2. Step 2: Convert to fraction form
   444,834/978,211 = 978,211/x
3. Step 3: Cross multiply
   444,834x = 978,211 × 978,211
4. Step 4: Simplify right side
   444,834x = 956,896,760,521
5. Step 5: Solve for x
   x = 956,896,760,521/444,834
6. Step 6: Final answer
   x = 2,151,132.24