Finding the Third Proportional to 713,578 and 978,522

Step by Step Solution

1. Step 1: Write the proportion equation
   713,578 : 978,522 = 978,522 : x
2. Step 2: Convert to fraction form
   713,578/978,522 = 978,522/x
3. Step 3: Cross multiply
   713,578x = 978,522 × 978,522
4. Step 4: Simplify right side
   713,578x = 957,505,304,484
5. Step 5: Solve for x
   x = 957,505,304,484/713,578
6. Step 6: Final answer
   x = 1,341,836.92