Finding the Third Proportional to 11,178 and 14,904

Step by Step Solution

1. Step 1: Write the proportion equation
   11,178 : 14,904 = 14,904 : x
2. Step 2: Convert to fraction form
   11,178/14,904 = 14,904/x
3. Step 3: Cross multiply
   11,178x = 14,904 × 14,904
4. Step 4: Simplify right side
   11,178x = 222,129,216
5. Step 5: Solve for x
   x = 222,129,216/11,178
6. Step 6: Final answer
   x = 19,872