Finding the Third Proportional to 185,519.25 and 397,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   185,519.25 : 397,273.50 = 397,273.50 : x
2. Step 2: Convert to fraction form
   185,519.25/397,273.50 = 397,273.50/x
3. Step 3: Cross multiply
   185,519.25x = 397,273.50 × 397,273.50
4. Step 4: Simplify right side
   185,519.25x = 157,826,233,802.25
5. Step 5: Solve for x
   x = 157,826,233,802.25/185,519.25
6. Step 6: Final answer
   x = 850,726.99