Finding the Third Proportional to 449,367 and 978,087

Step by Step Solution

1. Step 1: Write the proportion equation
   449,367 : 978,087 = 978,087 : x
2. Step 2: Convert to fraction form
   449,367/978,087 = 978,087/x
3. Step 3: Cross multiply
   449,367x = 978,087 × 978,087
4. Step 4: Simplify right side
   449,367x = 956,654,179,569
5. Step 5: Solve for x
   x = 956,654,179,569/449,367
6. Step 6: Final answer
   x = 2,128,892.82