Finding the Third Proportional to 111,112.50 and 155,544

Step by Step Solution

1. Step 1: Write the proportion equation
   111,112.50 : 155,544 = 155,544 : x
2. Step 2: Convert to fraction form
   111,112.50/155,544 = 155,544/x
3. Step 3: Cross multiply
   111,112.50x = 155,544 × 155,544
4. Step 4: Simplify right side
   111,112.50x = 24,193,935,936
5. Step 5: Solve for x
   x = 24,193,935,936/111,112.50
6. Step 6: Final answer
   x = 217,742.70