Finding the Third Proportional to 89,980 and 134,472

Step by Step Solution

1. Step 1: Write the proportion equation
   89,980 : 134,472 = 134,472 : x
2. Step 2: Convert to fraction form
   89,980/134,472 = 134,472/x
3. Step 3: Cross multiply
   89,980x = 134,472 × 134,472
4. Step 4: Simplify right side
   89,980x = 18,082,718,784
5. Step 5: Solve for x
   x = 18,082,718,784/89,980
6. Step 6: Final answer
   x = 200,963.76