Finding the Third Proportional to 113,717.25 and 247,608

Step by Step Solution

1. Step 1: Write the proportion equation
   113,717.25 : 247,608 = 247,608 : x
2. Step 2: Convert to fraction form
   113,717.25/247,608 = 247,608/x
3. Step 3: Cross multiply
   113,717.25x = 247,608 × 247,608
4. Step 4: Simplify right side
   113,717.25x = 61,309,721,664
5. Step 5: Solve for x
   x = 61,309,721,664/113,717.25
6. Step 6: Final answer
   x = 539,141.79