Finding the Third Proportional to 5,131.50 and 11,081.63

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.50 : 11,081.63 = 11,081.63 : x
2. Step 2: Convert to fraction form
   5,131.50/11,081.63 = 11,081.63/x
3. Step 3: Cross multiply
   5,131.50x = 11,081.63 × 11,081.63
4. Step 4: Simplify right side
   5,131.50x = 122,802,412.64
5. Step 5: Solve for x
   x = 122,802,412.64/5,131.50
6. Step 6: Final answer
   x = 23,931.09