Finding the Third Proportional to 11,591.81 and 17,390.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,591.81 : 17,390.25 = 17,390.25 : x
2. Step 2: Convert to fraction form
   11,591.81/17,390.25 = 17,390.25/x
3. Step 3: Cross multiply
   11,591.81x = 17,390.25 × 17,390.25
4. Step 4: Simplify right side
   11,591.81x = 302,420,795.06
5. Step 5: Solve for x
   x = 302,420,795.06/11,591.81
6. Step 6: Final answer
   x = 26,089.17