Finding the Third Proportional to 5,719.50 and 11,061

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.50 : 11,061 = 11,061 : x
2. Step 2: Convert to fraction form
   5,719.50/11,061 = 11,061/x
3. Step 3: Cross multiply
   5,719.50x = 11,061 × 11,061
4. Step 4: Simplify right side
   5,719.50x = 122,345,721
5. Step 5: Solve for x
   x = 122,345,721/5,719.50
6. Step 6: Final answer
   x = 21,390.98