Finding the Third Proportional to 449,364 and 978,081

Step by Step Solution

1. Step 1: Write the proportion equation
   449,364 : 978,081 = 978,081 : x
2. Step 2: Convert to fraction form
   449,364/978,081 = 978,081/x
3. Step 3: Cross multiply
   449,364x = 978,081 × 978,081
4. Step 4: Simplify right side
   449,364x = 956,642,442,561
5. Step 5: Solve for x
   x = 956,642,442,561/449,364
6. Step 6: Final answer
   x = 2,128,880.91