Finding the Third Proportional to 12,272.63 and 18,891.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,272.63 : 18,891.38 = 18,891.38 : x
2. Step 2: Convert to fraction form
   12,272.63/18,891.38 = 18,891.38/x
3. Step 3: Cross multiply
   12,272.63x = 18,891.38 × 18,891.38
4. Step 4: Simplify right side
   12,272.63x = 356,884,049.39
5. Step 5: Solve for x
   x = 356,884,049.39/12,272.63
6. Step 6: Final answer
   x = 29,079.68