Finding the Third Proportional to 89,365.50 and 131,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,365.50 : 131,040.50 = 131,040.50 : x
2. Step 2: Convert to fraction form
   89,365.50/131,040.50 = 131,040.50/x
3. Step 3: Cross multiply
   89,365.50x = 131,040.50 × 131,040.50
4. Step 4: Simplify right side
   89,365.50x = 17,171,612,640.25
5. Step 5: Solve for x
   x = 17,171,612,640.25/89,365.50
6. Step 6: Final answer
   x = 192,150.36