Finding the Third Proportional to 13,715.16 and 18,628.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,715.16 : 18,628.73 = 18,628.73 : x
2. Step 2: Convert to fraction form
   13,715.16/18,628.73 = 18,628.73/x
3. Step 3: Cross multiply
   13,715.16x = 18,628.73 × 18,628.73
4. Step 4: Simplify right side
   13,715.16x = 347,029,744.41
5. Step 5: Solve for x
   x = 347,029,744.41/13,715.16
6. Step 6: Final answer
   x = 25,302.65