Finding the Third Proportional to 11,308.50 and 17,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,308.50 : 17,086.50 = 17,086.50 : x
2. Step 2: Convert to fraction form
   11,308.50/17,086.50 = 17,086.50/x
3. Step 3: Cross multiply
   11,308.50x = 17,086.50 × 17,086.50
4. Step 4: Simplify right side
   11,308.50x = 291,948,482.25
5. Step 5: Solve for x
   x = 291,948,482.25/11,308.50
6. Step 6: Final answer
   x = 25,816.73