Finding the Third Proportional to 89,132.50 and 133,718

Step by Step Solution

1. Step 1: Write the proportion equation
   89,132.50 : 133,718 = 133,718 : x
2. Step 2: Convert to fraction form
   89,132.50/133,718 = 133,718/x
3. Step 3: Cross multiply
   89,132.50x = 133,718 × 133,718
4. Step 4: Simplify right side
   89,132.50x = 17,880,503,524
5. Step 5: Solve for x
   x = 17,880,503,524/89,132.50
6. Step 6: Final answer
   x = 200,605.88