Finding the Third Proportional to 449,329.50 and 978,006

Step by Step Solution

1. Step 1: Write the proportion equation
   449,329.50 : 978,006 = 978,006 : x
2. Step 2: Convert to fraction form
   449,329.50/978,006 = 978,006/x
3. Step 3: Cross multiply
   449,329.50x = 978,006 × 978,006
4. Step 4: Simplify right side
   449,329.50x = 956,495,736,036
5. Step 5: Solve for x
   x = 956,495,736,036/449,329.50
6. Step 6: Final answer
   x = 2,128,717.87