Finding the Third Proportional to 713,604 and 978,535

Step by Step Solution

1. Step 1: Write the proportion equation
   713,604 : 978,535 = 978,535 : x
2. Step 2: Convert to fraction form
   713,604/978,535 = 978,535/x
3. Step 3: Cross multiply
   713,604x = 978,535 × 978,535
4. Step 4: Simplify right side
   713,604x = 957,530,746,225
5. Step 5: Solve for x
   x = 957,530,746,225/713,604
6. Step 6: Final answer
   x = 1,341,823.68