Finding the Third Proportional to 108,151.50 and 231,247.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,151.50 : 231,247.50 = 231,247.50 : x
2. Step 2: Convert to fraction form
   108,151.50/231,247.50 = 231,247.50/x
3. Step 3: Cross multiply
   108,151.50x = 231,247.50 × 231,247.50
4. Step 4: Simplify right side
   108,151.50x = 53,475,406,256.25
5. Step 5: Solve for x
   x = 53,475,406,256.25/108,151.50
6. Step 6: Final answer
   x = 494,449.05