Finding the Third Proportional to 713,576 and 978,493

Step by Step Solution

1. Step 1: Write the proportion equation
   713,576 : 978,493 = 978,493 : x
2. Step 2: Convert to fraction form
   713,576/978,493 = 978,493/x
3. Step 3: Cross multiply
   713,576x = 978,493 × 978,493
4. Step 4: Simplify right side
   713,576x = 957,448,551,049
5. Step 5: Solve for x
   x = 957,448,551,049/713,576
6. Step 6: Final answer
   x = 1,341,761.15