Finding the Third Proportional to 11,390.25 and 17,103.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,390.25 : 17,103.75 = 17,103.75 : x
2. Step 2: Convert to fraction form
   11,390.25/17,103.75 = 17,103.75/x
3. Step 3: Cross multiply
   11,390.25x = 17,103.75 × 17,103.75
4. Step 4: Simplify right side
   11,390.25x = 292,538,264.06
5. Step 5: Solve for x
   x = 292,538,264.06/11,390.25
6. Step 6: Final answer
   x = 25,683.22