Finding the Third Proportional to 713,398 and 978,241

Step by Step Solution

1. Step 1: Write the proportion equation
   713,398 : 978,241 = 978,241 : x
2. Step 2: Convert to fraction form
   713,398/978,241 = 978,241/x
3. Step 3: Cross multiply
   713,398x = 978,241 × 978,241
4. Step 4: Simplify right side
   713,398x = 956,955,454,081
5. Step 5: Solve for x
   x = 956,955,454,081/713,398
6. Step 6: Final answer
   x = 1,341,404.73