Finding the Third Proportional to 111,404.25 and 231,987.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,404.25 : 231,987.75 = 231,987.75 : x
2. Step 2: Convert to fraction form
   111,404.25/231,987.75 = 231,987.75/x
3. Step 3: Cross multiply
   111,404.25x = 231,987.75 × 231,987.75
4. Step 4: Simplify right side
   111,404.25x = 53,818,316,150.06
5. Step 5: Solve for x
   x = 53,818,316,150.06/111,404.25
6. Step 6: Final answer
   x = 483,090.33