Finding the Third Proportional to 713,648 and 978,573

Step by Step Solution

1. Step 1: Write the proportion equation
   713,648 : 978,573 = 978,573 : x
2. Step 2: Convert to fraction form
   713,648/978,573 = 978,573/x
3. Step 3: Cross multiply
   713,648x = 978,573 × 978,573
4. Step 4: Simplify right side
   713,648x = 957,605,116,329
5. Step 5: Solve for x
   x = 957,605,116,329/713,648
6. Step 6: Final answer
   x = 1,341,845.16