Finding the Third Proportional to 9,699.75 and 17,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,699.75 : 17,111.25 = 17,111.25 : x
2. Step 2: Convert to fraction form
   9,699.75/17,111.25 = 17,111.25/x
3. Step 3: Cross multiply
   9,699.75x = 17,111.25 × 17,111.25
4. Step 4: Simplify right side
   9,699.75x = 292,794,876.56
5. Step 5: Solve for x
   x = 292,794,876.56/9,699.75
6. Step 6: Final answer
   x = 30,185.82