Finding the Third Proportional to 449,938 and 978,606

Step by Step Solution

1. Step 1: Write the proportion equation
   449,938 : 978,606 = 978,606 : x
2. Step 2: Convert to fraction form
   449,938/978,606 = 978,606/x
3. Step 3: Cross multiply
   449,938x = 978,606 × 978,606
4. Step 4: Simplify right side
   449,938x = 957,669,703,236
5. Step 5: Solve for x
   x = 957,669,703,236/449,938
6. Step 6: Final answer
   x = 2,128,448.15