Finding the Third Proportional to 11,201 and 12,173

Step by Step Solution

1. Step 1: Write the proportion equation
   11,201 : 12,173 = 12,173 : x
2. Step 2: Convert to fraction form
   11,201/12,173 = 12,173/x
3. Step 3: Cross multiply
   11,201x = 12,173 × 12,173
4. Step 4: Simplify right side
   11,201x = 148,181,929
5. Step 5: Solve for x
   x = 148,181,929/11,201
6. Step 6: Final answer
   x = 13,229.35