Finding the Third Proportional to 11,151 and 17,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,151 : 17,320.50 = 17,320.50 : x
2. Step 2: Convert to fraction form
   11,151/17,320.50 = 17,320.50/x
3. Step 3: Cross multiply
   11,151x = 17,320.50 × 17,320.50
4. Step 4: Simplify right side
   11,151x = 299,999,720.25
5. Step 5: Solve for x
   x = 299,999,720.25/11,151
6. Step 6: Final answer
   x = 26,903.39