Finding the Third Proportional to 89,878 and 131,568

Step by Step Solution

1. Step 1: Write the proportion equation
   89,878 : 131,568 = 131,568 : x
2. Step 2: Convert to fraction form
   89,878/131,568 = 131,568/x
3. Step 3: Cross multiply
   89,878x = 131,568 × 131,568
4. Step 4: Simplify right side
   89,878x = 17,310,138,624
5. Step 5: Solve for x
   x = 17,310,138,624/89,878
6. Step 6: Final answer
   x = 192,595.95