Finding the Third Proportional to 15,133.50 and 19,684.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,133.50 : 19,684.69 = 19,684.69 : x
2. Step 2: Convert to fraction form
   15,133.50/19,684.69 = 19,684.69/x
3. Step 3: Cross multiply
   15,133.50x = 19,684.69 × 19,684.69
4. Step 4: Simplify right side
   15,133.50x = 387,486,921.97
5. Step 5: Solve for x
   x = 387,486,921.97/15,133.50
6. Step 6: Final answer
   x = 25,604.58