Finding the Third Proportional to 111,401.50 and 231,982.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,401.50 : 231,982.75 = 231,982.75 : x
2. Step 2: Convert to fraction form
   111,401.50/231,982.75 = 231,982.75/x
3. Step 3: Cross multiply
   111,401.50x = 231,982.75 × 231,982.75
4. Step 4: Simplify right side
   111,401.50x = 53,815,996,297.56
5. Step 5: Solve for x
   x = 53,815,996,297.56/111,401.50
6. Step 6: Final answer
   x = 483,081.43