Finding the Third Proportional to 415,404 and 978,019

Step by Step Solution

1. Step 1: Write the proportion equation
   415,404 : 978,019 = 978,019 : x
2. Step 2: Convert to fraction form
   415,404/978,019 = 978,019/x
3. Step 3: Cross multiply
   415,404x = 978,019 × 978,019
4. Step 4: Simplify right side
   415,404x = 956,521,164,361
5. Step 5: Solve for x
   x = 956,521,164,361/415,404
6. Step 6: Final answer
   x = 2,302,628.68