Finding the Third Proportional to 10,288.03 and 13,791.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.03 : 13,791.75 = 13,791.75 : x
2. Step 2: Convert to fraction form
   10,288.03/13,791.75 = 13,791.75/x
3. Step 3: Cross multiply
   10,288.03x = 13,791.75 × 13,791.75
4. Step 4: Simplify right side
   10,288.03x = 190,212,368.06
5. Step 5: Solve for x
   x = 190,212,368.06/10,288.03
6. Step 6: Final answer
   x = 18,488.70