Finding the Third Proportional to 404,800.50 and 594,078

Step by Step Solution

1. Step 1: Write the proportion equation
   404,800.50 : 594,078 = 594,078 : x
2. Step 2: Convert to fraction form
   404,800.50/594,078 = 594,078/x
3. Step 3: Cross multiply
   404,800.50x = 594,078 × 594,078
4. Step 4: Simplify right side
   404,800.50x = 352,928,670,084
5. Step 5: Solve for x
   x = 352,928,670,084/404,800.50
6. Step 6: Final answer
   x = 871,858.29