Finding the Third Proportional to 10,991.25 and 17,044.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,991.25 : 17,044.59 = 17,044.59 : x
2. Step 2: Convert to fraction form
   10,991.25/17,044.59 = 17,044.59/x
3. Step 3: Cross multiply
   10,991.25x = 17,044.59 × 17,044.59
4. Step 4: Simplify right side
   10,991.25x = 290,518,176.10
5. Step 5: Solve for x
   x = 290,518,176.10/10,991.25
6. Step 6: Final answer
   x = 26,431.77