Finding the Third Proportional to 713,606 and 978,538

Step by Step Solution

1. Step 1: Write the proportion equation
   713,606 : 978,538 = 978,538 : x
2. Step 2: Convert to fraction form
   713,606/978,538 = 978,538/x
3. Step 3: Cross multiply
   713,606x = 978,538 × 978,538
4. Step 4: Simplify right side
   713,606x = 957,536,617,444
5. Step 5: Solve for x
   x = 957,536,617,444/713,606
6. Step 6: Final answer
   x = 1,341,828.15