Finding the Third Proportional to 12,351.38 and 18,635.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,351.38 : 18,635.63 = 18,635.63 : x
2. Step 2: Convert to fraction form
   12,351.38/18,635.63 = 18,635.63/x
3. Step 3: Cross multiply
   12,351.38x = 18,635.63 × 18,635.63
4. Step 4: Simplify right side
   12,351.38x = 347,286,519.14
5. Step 5: Solve for x
   x = 347,286,519.14/12,351.38
6. Step 6: Final answer
   x = 28,117.24