Finding the Third Proportional to 713,610 and 978,544

Step by Step Solution

1. Step 1: Write the proportion equation
   713,610 : 978,544 = 978,544 : x
2. Step 2: Convert to fraction form
   713,610/978,544 = 978,544/x
3. Step 3: Cross multiply
   713,610x = 978,544 × 978,544
4. Step 4: Simplify right side
   713,610x = 957,548,359,936
5. Step 5: Solve for x
   x = 957,548,359,936/713,610
6. Step 6: Final answer
   x = 1,341,837.08