Finding the Third Proportional to 404,721 and 593,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,721 : 593,959.50 = 593,959.50 : x
2. Step 2: Convert to fraction form
   404,721/593,959.50 = 593,959.50/x
3. Step 3: Cross multiply
   404,721x = 593,959.50 × 593,959.50
4. Step 4: Simplify right side
   404,721x = 352,787,887,640.25
5. Step 5: Solve for x
   x = 352,787,887,640.25/404,721
6. Step 6: Final answer
   x = 871,681.70