Finding the Third Proportional to 111,432.50 and 235,165

Step by Step Solution

1. Step 1: Write the proportion equation
   111,432.50 : 235,165 = 235,165 : x
2. Step 2: Convert to fraction form
   111,432.50/235,165 = 235,165/x
3. Step 3: Cross multiply
   111,432.50x = 235,165 × 235,165
4. Step 4: Simplify right side
   111,432.50x = 55,302,577,225
5. Step 5: Solve for x
   x = 55,302,577,225/111,432.50
6. Step 6: Final answer
   x = 496,287.68