Finding the Third Proportional to 654,916 and 978,329

Step by Step Solution

1. Step 1: Write the proportion equation
   654,916 : 978,329 = 978,329 : x
2. Step 2: Convert to fraction form
   654,916/978,329 = 978,329/x
3. Step 3: Cross multiply
   654,916x = 978,329 × 978,329
4. Step 4: Simplify right side
   654,916x = 957,127,632,241
5. Step 5: Solve for x
   x = 957,127,632,241/654,916
6. Step 6: Final answer
   x = 1,461,450.98