Finding the Third Proportional to 11,009 and 17,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,009 : 17,054.50 = 17,054.50 : x
2. Step 2: Convert to fraction form
   11,009/17,054.50 = 17,054.50/x
3. Step 3: Cross multiply
   11,009x = 17,054.50 × 17,054.50
4. Step 4: Simplify right side
   11,009x = 290,855,970.25
5. Step 5: Solve for x
   x = 290,855,970.25/11,009
6. Step 6: Final answer
   x = 26,419.84