Finding the Third Proportional to 181,300.50 and 275,949

Step by Step Solution

1. Step 1: Write the proportion equation
   181,300.50 : 275,949 = 275,949 : x
2. Step 2: Convert to fraction form
   181,300.50/275,949 = 275,949/x
3. Step 3: Cross multiply
   181,300.50x = 275,949 × 275,949
4. Step 4: Simplify right side
   181,300.50x = 76,147,850,601
5. Step 5: Solve for x
   x = 76,147,850,601/181,300.50
6. Step 6: Final answer
   x = 420,009.05