Finding the Third Proportional to 11,218 and 13,054

Step by Step Solution

1. Step 1: Write the proportion equation
   11,218 : 13,054 = 13,054 : x
2. Step 2: Convert to fraction form
   11,218/13,054 = 13,054/x
3. Step 3: Cross multiply
   11,218x = 13,054 × 13,054
4. Step 4: Simplify right side
   11,218x = 170,406,916
5. Step 5: Solve for x
   x = 170,406,916/11,218
6. Step 6: Final answer
   x = 15,190.49