Finding the Third Proportional to 11,147.50 and 17,316.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,147.50 : 17,316.50 = 17,316.50 : x
2. Step 2: Convert to fraction form
   11,147.50/17,316.50 = 17,316.50/x
3. Step 3: Cross multiply
   11,147.50x = 17,316.50 × 17,316.50
4. Step 4: Simplify right side
   11,147.50x = 299,861,172.25
5. Step 5: Solve for x
   x = 299,861,172.25/11,147.50
6. Step 6: Final answer
   x = 26,899.41