Finding the Third Proportional to 713,544 and 978,460

Step by Step Solution

1. Step 1: Write the proportion equation
   713,544 : 978,460 = 978,460 : x
2. Step 2: Convert to fraction form
   713,544/978,460 = 978,460/x
3. Step 3: Cross multiply
   713,544x = 978,460 × 978,460
4. Step 4: Simplify right side
   713,544x = 957,383,971,600
5. Step 5: Solve for x
   x = 957,383,971,600/713,544
6. Step 6: Final answer
   x = 1,341,730.81