Finding the Third Proportional to 111,402.56 and 231,984.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,402.56 : 231,984.56 = 231,984.56 : x
2. Step 2: Convert to fraction form
   111,402.56/231,984.56 = 231,984.56/x
3. Step 3: Cross multiply
   111,402.56x = 231,984.56 × 231,984.56
4. Step 4: Simplify right side
   111,402.56x = 53,816,837,238.32
5. Step 5: Solve for x
   x = 53,816,837,238.32/111,402.56
6. Step 6: Final answer
   x = 483,084.37