Finding the Third Proportional to 57,928.50 and 135,330

Step by Step Solution

1. Step 1: Write the proportion equation
   57,928.50 : 135,330 = 135,330 : x
2. Step 2: Convert to fraction form
   57,928.50/135,330 = 135,330/x
3. Step 3: Cross multiply
   57,928.50x = 135,330 × 135,330
4. Step 4: Simplify right side
   57,928.50x = 18,314,208,900
5. Step 5: Solve for x
   x = 18,314,208,900/57,928.50
6. Step 6: Final answer
   x = 316,151.96