Finding the Third Proportional to 449,914 and 978,558

Step by Step Solution

1. Step 1: Write the proportion equation
   449,914 : 978,558 = 978,558 : x
2. Step 2: Convert to fraction form
   449,914/978,558 = 978,558/x
3. Step 3: Cross multiply
   449,914x = 978,558 × 978,558
4. Step 4: Simplify right side
   449,914x = 957,575,759,364
5. Step 5: Solve for x
   x = 957,575,759,364/449,914
6. Step 6: Final answer
   x = 2,128,352.88