Finding the Third Proportional to 11,253 and 17,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,253 : 17,386.50 = 17,386.50 : x
2. Step 2: Convert to fraction form
   11,253/17,386.50 = 17,386.50/x
3. Step 3: Cross multiply
   11,253x = 17,386.50 × 17,386.50
4. Step 4: Simplify right side
   11,253x = 302,290,382.25
5. Step 5: Solve for x
   x = 302,290,382.25/11,253
6. Step 6: Final answer
   x = 26,863.09