Finding the Third Proportional to 11,839.50 and 17,789.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,839.50 : 17,789.63 = 17,789.63 : x
2. Step 2: Convert to fraction form
   11,839.50/17,789.63 = 17,789.63/x
3. Step 3: Cross multiply
   11,839.50x = 17,789.63 × 17,789.63
4. Step 4: Simplify right side
   11,839.50x = 316,470,757.64
5. Step 5: Solve for x
   x = 316,470,757.64/11,839.50
6. Step 6: Final answer
   x = 26,730.08