Finding the Third Proportional to 11,137.50 and 17,799.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,137.50 : 17,799.75 = 17,799.75 : x
2. Step 2: Convert to fraction form
   11,137.50/17,799.75 = 17,799.75/x
3. Step 3: Cross multiply
   11,137.50x = 17,799.75 × 17,799.75
4. Step 4: Simplify right side
   11,137.50x = 316,831,100.06
5. Step 5: Solve for x
   x = 316,831,100.06/11,137.50
6. Step 6: Final answer
   x = 28,447.24