Finding the Third Proportional to 59,181 and 128,568

Step by Step Solution

1. Step 1: Write the proportion equation
   59,181 : 128,568 = 128,568 : x
2. Step 2: Convert to fraction form
   59,181/128,568 = 128,568/x
3. Step 3: Cross multiply
   59,181x = 128,568 × 128,568
4. Step 4: Simplify right side
   59,181x = 16,529,730,624
5. Step 5: Solve for x
   x = 16,529,730,624/59,181
6. Step 6: Final answer
   x = 279,308.07