Finding the Third Proportional to 449,952 and 978,634

Step by Step Solution

1. Step 1: Write the proportion equation
   449,952 : 978,634 = 978,634 : x
2. Step 2: Convert to fraction form
   449,952/978,634 = 978,634/x
3. Step 3: Cross multiply
   449,952x = 978,634 × 978,634
4. Step 4: Simplify right side
   449,952x = 957,724,505,956
5. Step 5: Solve for x
   x = 957,724,505,956/449,952
6. Step 6: Final answer
   x = 2,128,503.72