Finding the Third Proportional to 13,504.50 and 18,429.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,504.50 : 18,429.75 = 18,429.75 : x
2. Step 2: Convert to fraction form
   13,504.50/18,429.75 = 18,429.75/x
3. Step 3: Cross multiply
   13,504.50x = 18,429.75 × 18,429.75
4. Step 4: Simplify right side
   13,504.50x = 339,655,685.06
5. Step 5: Solve for x
   x = 339,655,685.06/13,504.50
6. Step 6: Final answer
   x = 25,151.30