Finding the Third Proportional to 11,272 and 16,236.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,272 : 16,236.25 = 16,236.25 : x
2. Step 2: Convert to fraction form
   11,272/16,236.25 = 16,236.25/x
3. Step 3: Cross multiply
   11,272x = 16,236.25 × 16,236.25
4. Step 4: Simplify right side
   11,272x = 263,615,814.06
5. Step 5: Solve for x
   x = 263,615,814.06/11,272
6. Step 6: Final answer
   x = 23,386.78