Finding the Third Proportional to 12,722.06 and 18,261.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,722.06 : 18,261.07 = 18,261.07 : x
2. Step 2: Convert to fraction form
   12,722.06/18,261.07 = 18,261.07/x
3. Step 3: Cross multiply
   12,722.06x = 18,261.07 × 18,261.07
4. Step 4: Simplify right side
   12,722.06x = 333,466,688.96
5. Step 5: Solve for x
   x = 333,466,688.96/12,722.06
6. Step 6: Final answer
   x = 26,211.68