Finding the Third Proportional to 449,364.50 and 978,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   449,364.50 : 978,081.50 = 978,081.50 : x
2. Step 2: Convert to fraction form
   449,364.50/978,081.50 = 978,081.50/x
3. Step 3: Cross multiply
   449,364.50x = 978,081.50 × 978,081.50
4. Step 4: Simplify right side
   449,364.50x = 956,643,420,642.25
5. Step 5: Solve for x
   x = 956,643,420,642.25/449,364.50
6. Step 6: Final answer
   x = 2,128,880.72