Finding the Third Proportional to 608,885 and 978,372

Step by Step Solution

1. Step 1: Write the proportion equation
   608,885 : 978,372 = 978,372 : x
2. Step 2: Convert to fraction form
   608,885/978,372 = 978,372/x
3. Step 3: Cross multiply
   608,885x = 978,372 × 978,372
4. Step 4: Simplify right side
   608,885x = 957,211,770,384
5. Step 5: Solve for x
   x = 957,211,770,384/608,885
6. Step 6: Final answer
   x = 1,572,073.17