Finding the Third Proportional to 449,344 and 978,038

Step by Step Solution

1. Step 1: Write the proportion equation
   449,344 : 978,038 = 978,038 : x
2. Step 2: Convert to fraction form
   449,344/978,038 = 978,038/x
3. Step 3: Cross multiply
   449,344x = 978,038 × 978,038
4. Step 4: Simplify right side
   449,344x = 956,558,329,444
5. Step 5: Solve for x
   x = 956,558,329,444/449,344
6. Step 6: Final answer
   x = 2,128,788.48