Finding the Third Proportional to 111,149.88 and 233,915

Step by Step Solution

1. Step 1: Write the proportion equation
   111,149.88 : 233,915 = 233,915 : x
2. Step 2: Convert to fraction form
   111,149.88/233,915 = 233,915/x
3. Step 3: Cross multiply
   111,149.88x = 233,915 × 233,915
4. Step 4: Simplify right side
   111,149.88x = 54,716,227,225
5. Step 5: Solve for x
   x = 54,716,227,225/111,149.88
6. Step 6: Final answer
   x = 492,274.30