Finding the Third Proportional to 72,791.25 and 160,243.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,791.25 : 160,243.50 = 160,243.50 : x
2. Step 2: Convert to fraction form
   72,791.25/160,243.50 = 160,243.50/x
3. Step 3: Cross multiply
   72,791.25x = 160,243.50 × 160,243.50
4. Step 4: Simplify right side
   72,791.25x = 25,677,979,292.25
5. Step 5: Solve for x
   x = 25,677,979,292.25/72,791.25
6. Step 6: Final answer
   x = 352,761.90