Finding the Third Proportional to 11,448.75 and 15,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,448.75 : 15,088.50 = 15,088.50 : x
2. Step 2: Convert to fraction form
   11,448.75/15,088.50 = 15,088.50/x
3. Step 3: Cross multiply
   11,448.75x = 15,088.50 × 15,088.50
4. Step 4: Simplify right side
   11,448.75x = 227,662,832.25
5. Step 5: Solve for x
   x = 227,662,832.25/11,448.75
6. Step 6: Final answer
   x = 19,885.39