Finding the Third Proportional to 713,608 and 978,541

Step by Step Solution

1. Step 1: Write the proportion equation
   713,608 : 978,541 = 978,541 : x
2. Step 2: Convert to fraction form
   713,608/978,541 = 978,541/x
3. Step 3: Cross multiply
   713,608x = 978,541 × 978,541
4. Step 4: Simplify right side
   713,608x = 957,542,488,681
5. Step 5: Solve for x
   x = 957,542,488,681/713,608
6. Step 6: Final answer
   x = 1,341,832.61