Finding the Third Proportional to 11,157 and 14,907

Step by Step Solution

1. Step 1: Write the proportion equation
   11,157 : 14,907 = 14,907 : x
2. Step 2: Convert to fraction form
   11,157/14,907 = 14,907/x
3. Step 3: Cross multiply
   11,157x = 14,907 × 14,907
4. Step 4: Simplify right side
   11,157x = 222,218,649
5. Step 5: Solve for x
   x = 222,218,649/11,157
6. Step 6: Final answer
   x = 19,917.42