Finding the Third Proportional to 89,221.50 and 131,366.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,221.50 : 131,366.25 = 131,366.25 : x
2. Step 2: Convert to fraction form
   89,221.50/131,366.25 = 131,366.25/x
3. Step 3: Cross multiply
   89,221.50x = 131,366.25 × 131,366.25
4. Step 4: Simplify right side
   89,221.50x = 17,257,091,639.06
5. Step 5: Solve for x
   x = 17,257,091,639.06/89,221.50
6. Step 6: Final answer
   x = 193,418.53