Finding the Third Proportional to 713,564 and 978,475

Step by Step Solution

1. Step 1: Write the proportion equation
   713,564 : 978,475 = 978,475 : x
2. Step 2: Convert to fraction form
   713,564/978,475 = 978,475/x
3. Step 3: Cross multiply
   713,564x = 978,475 × 978,475
4. Step 4: Simplify right side
   713,564x = 957,413,325,625
5. Step 5: Solve for x
   x = 957,413,325,625/713,564
6. Step 6: Final answer
   x = 1,341,734.34