Finding the Third Proportional to 114,429.50 and 239,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,429.50 : 239,315.50 = 239,315.50 : x
2. Step 2: Convert to fraction form
   114,429.50/239,315.50 = 239,315.50/x
3. Step 3: Cross multiply
   114,429.50x = 239,315.50 × 239,315.50
4. Step 4: Simplify right side
   114,429.50x = 57,271,908,540.25
5. Step 5: Solve for x
   x = 57,271,908,540.25/114,429.50
6. Step 6: Final answer
   x = 500,499.51