Finding the Third Proportional to 7,712.72 and 11,550.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,712.72 : 11,550.09 = 11,550.09 : x
2. Step 2: Convert to fraction form
   7,712.72/11,550.09 = 11,550.09/x
3. Step 3: Cross multiply
   7,712.72x = 11,550.09 × 11,550.09
4. Step 4: Simplify right side
   7,712.72x = 133,404,665.63
5. Step 5: Solve for x
   x = 133,404,665.63/7,712.72
6. Step 6: Final answer
   x = 17,296.71