Finding the Third Proportional to 11,172.56 and 23,118.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,172.56 : 23,118.38 = 23,118.38 : x
2. Step 2: Convert to fraction form
   11,172.56/23,118.38 = 23,118.38/x
3. Step 3: Cross multiply
   11,172.56x = 23,118.38 × 23,118.38
4. Step 4: Simplify right side
   11,172.56x = 534,459,262.64
5. Step 5: Solve for x
   x = 534,459,262.64/11,172.56
6. Step 6: Final answer
   x = 47,836.77