Finding the Third Proportional to 444,876 and 978,310

Step by Step Solution

1. Step 1: Write the proportion equation
   444,876 : 978,310 = 978,310 : x
2. Step 2: Convert to fraction form
   444,876/978,310 = 978,310/x
3. Step 3: Cross multiply
   444,876x = 978,310 × 978,310
4. Step 4: Simplify right side
   444,876x = 957,090,456,100
5. Step 5: Solve for x
   x = 957,090,456,100/444,876
6. Step 6: Final answer
   x = 2,151,364.55