Finding the Third Proportional to 294,048 and 637,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   294,048 : 637,879.50 = 637,879.50 : x
2. Step 2: Convert to fraction form
   294,048/637,879.50 = 637,879.50/x
3. Step 3: Cross multiply
   294,048x = 637,879.50 × 637,879.50
4. Step 4: Simplify right side
   294,048x = 406,890,256,520.25
5. Step 5: Solve for x
   x = 406,890,256,520.25/294,048
6. Step 6: Final answer
   x = 1,383,754.55