Finding the Third Proportional to 12,279.38 and 18,885.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,279.38 : 18,885.38 = 18,885.38 : x
2. Step 2: Convert to fraction form
   12,279.38/18,885.38 = 18,885.38/x
3. Step 3: Cross multiply
   12,279.38x = 18,885.38 × 18,885.38
4. Step 4: Simplify right side
   12,279.38x = 356,657,388.89
5. Step 5: Solve for x
   x = 356,657,388.89/12,279.38
6. Step 6: Final answer
   x = 29,045.24