Finding the Third Proportional to 12,838.88 and 19,171.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,838.88 : 19,171.88 = 19,171.88 : x
2. Step 2: Convert to fraction form
   12,838.88/19,171.88 = 19,171.88/x
3. Step 3: Cross multiply
   12,838.88x = 19,171.88 × 19,171.88
4. Step 4: Simplify right side
   12,838.88x = 367,560,791.02
5. Step 5: Solve for x
   x = 367,560,791.02/12,838.88
6. Step 6: Final answer
   x = 28,628.74