Finding the Third Proportional to 89,221.50 and 131,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,221.50 : 131,365.50 = 131,365.50 : x
2. Step 2: Convert to fraction form
   89,221.50/131,365.50 = 131,365.50/x
3. Step 3: Cross multiply
   89,221.50x = 131,365.50 × 131,365.50
4. Step 4: Simplify right side
   89,221.50x = 17,256,894,590.25
5. Step 5: Solve for x
   x = 17,256,894,590.25/89,221.50
6. Step 6: Final answer
   x = 193,416.32