Finding the Third Proportional to 713,576 and 978,519

Step by Step Solution

1. Step 1: Write the proportion equation
   713,576 : 978,519 = 978,519 : x
2. Step 2: Convert to fraction form
   713,576/978,519 = 978,519/x
3. Step 3: Cross multiply
   713,576x = 978,519 × 978,519
4. Step 4: Simplify right side
   713,576x = 957,499,433,361
5. Step 5: Solve for x
   x = 957,499,433,361/713,576
6. Step 6: Final answer
   x = 1,341,832.45