Finding the Third Proportional to 85,908.38 and 131,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,908.38 : 131,413.50 = 131,413.50 : x
2. Step 2: Convert to fraction form
   85,908.38/131,413.50 = 131,413.50/x
3. Step 3: Cross multiply
   85,908.38x = 131,413.50 × 131,413.50
4. Step 4: Simplify right side
   85,908.38x = 17,269,507,982.25
5. Step 5: Solve for x
   x = 17,269,507,982.25/85,908.38
6. Step 6: Final answer
   x = 201,022.40