Finding the Third Proportional to 11,291.91 and 17,237.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,291.91 : 17,237.81 = 17,237.81 : x
2. Step 2: Convert to fraction form
   11,291.91/17,237.81 = 17,237.81/x
3. Step 3: Cross multiply
   11,291.91x = 17,237.81 × 17,237.81
4. Step 4: Simplify right side
   11,291.91x = 297,142,179.79
5. Step 5: Solve for x
   x = 297,142,179.79/11,291.91
6. Step 6: Final answer
   x = 26,314.62