Finding the Third Proportional to 449,901 and 978,534

Step by Step Solution

1. Step 1: Write the proportion equation
   449,901 : 978,534 = 978,534 : x
2. Step 2: Convert to fraction form
   449,901/978,534 = 978,534/x
3. Step 3: Cross multiply
   449,901x = 978,534 × 978,534
4. Step 4: Simplify right side
   449,901x = 957,528,789,156
5. Step 5: Solve for x
   x = 957,528,789,156/449,901
6. Step 6: Final answer
   x = 2,128,309.98