Finding the Third Proportional to 654,874 and 978,271

Step by Step Solution

1. Step 1: Write the proportion equation
   654,874 : 978,271 = 978,271 : x
2. Step 2: Convert to fraction form
   654,874/978,271 = 978,271/x
3. Step 3: Cross multiply
   654,874x = 978,271 × 978,271
4. Step 4: Simplify right side
   654,874x = 957,014,149,441
5. Step 5: Solve for x
   x = 957,014,149,441/654,874
6. Step 6: Final answer
   x = 1,461,371.42