Finding the Third Proportional to 89,131.50 and 133,716.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,131.50 : 133,716.38 = 133,716.38 : x
2. Step 2: Convert to fraction form
   89,131.50/133,716.38 = 133,716.38/x
3. Step 3: Cross multiply
   89,131.50x = 133,716.38 × 133,716.38
4. Step 4: Simplify right side
   89,131.50x = 17,880,068,943.14
5. Step 5: Solve for x
   x = 17,880,068,943.14/89,131.50
6. Step 6: Final answer
   x = 200,603.25