Finding the Third Proportional to 89,996 and 137,718

Step by Step Solution

1. Step 1: Write the proportion equation
   89,996 : 137,718 = 137,718 : x
2. Step 2: Convert to fraction form
   89,996/137,718 = 137,718/x
3. Step 3: Cross multiply
   89,996x = 137,718 × 137,718
4. Step 4: Simplify right side
   89,996x = 18,966,247,524
5. Step 5: Solve for x
   x = 18,966,247,524/89,996
6. Step 6: Final answer
   x = 210,745.45