Finding the Third Proportional to 444,866 and 978,290

Step by Step Solution

1. Step 1: Write the proportion equation
   444,866 : 978,290 = 978,290 : x
2. Step 2: Convert to fraction form
   444,866/978,290 = 978,290/x
3. Step 3: Cross multiply
   444,866x = 978,290 × 978,290
4. Step 4: Simplify right side
   444,866x = 957,051,324,100
5. Step 5: Solve for x
   x = 957,051,324,100/444,866
6. Step 6: Final answer
   x = 2,151,324.95