Finding the Third Proportional to 89,680.50 and 134,733.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,680.50 : 134,733.38 = 134,733.38 : x
2. Step 2: Convert to fraction form
   89,680.50/134,733.38 = 134,733.38/x
3. Step 3: Cross multiply
   89,680.50x = 134,733.38 × 134,733.38
4. Step 4: Simplify right side
   89,680.50x = 18,153,082,338.89
5. Step 5: Solve for x
   x = 18,153,082,338.89/89,680.50
6. Step 6: Final answer
   x = 202,419.50