Finding the Third Proportional to 713,600 and 978,529

Step by Step Solution

1. Step 1: Write the proportion equation
   713,600 : 978,529 = 978,529 : x
2. Step 2: Convert to fraction form
   713,600/978,529 = 978,529/x
3. Step 3: Cross multiply
   713,600x = 978,529 × 978,529
4. Step 4: Simplify right side
   713,600x = 957,519,003,841
5. Step 5: Solve for x
   x = 957,519,003,841/713,600
6. Step 6: Final answer
   x = 1,341,814.75