Finding the Third Proportional to 111,928.50 and 155,133

Step by Step Solution

1. Step 1: Write the proportion equation
   111,928.50 : 155,133 = 155,133 : x
2. Step 2: Convert to fraction form
   111,928.50/155,133 = 155,133/x
3. Step 3: Cross multiply
   111,928.50x = 155,133 × 155,133
4. Step 4: Simplify right side
   111,928.50x = 24,066,247,689
5. Step 5: Solve for x
   x = 24,066,247,689/111,928.50
6. Step 6: Final answer
   x = 215,014.48