Finding the Third Proportional to 89,016 and 137,449

Step by Step Solution

1. Step 1: Write the proportion equation
   89,016 : 137,449 = 137,449 : x
2. Step 2: Convert to fraction form
   89,016/137,449 = 137,449/x
3. Step 3: Cross multiply
   89,016x = 137,449 × 137,449
4. Step 4: Simplify right side
   89,016x = 18,892,227,601
5. Step 5: Solve for x
   x = 18,892,227,601/89,016
6. Step 6: Final answer
   x = 212,234.07