Finding the Third Proportional to 11,806.31 and 18,427.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,806.31 : 18,427.22 = 18,427.22 : x
2. Step 2: Convert to fraction form
   11,806.31/18,427.22 = 18,427.22/x
3. Step 3: Cross multiply
   11,806.31x = 18,427.22 × 18,427.22
4. Step 4: Simplify right side
   11,806.31x = 339,562,390.86
5. Step 5: Solve for x
   x = 339,562,390.86/11,806.31
6. Step 6: Final answer
   x = 28,761.09