Finding the Third Proportional to 12,106.13 and 18,169.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,106.13 : 18,169.31 = 18,169.31 : x
2. Step 2: Convert to fraction form
   12,106.13/18,169.31 = 18,169.31/x
3. Step 3: Cross multiply
   12,106.13x = 18,169.31 × 18,169.31
4. Step 4: Simplify right side
   12,106.13x = 330,123,916.72
5. Step 5: Solve for x
   x = 330,123,916.72/12,106.13
6. Step 6: Final answer
   x = 27,269.16