Finding the Third Proportional to 12,107.50 and 18,173.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,107.50 : 18,173.63 = 18,173.63 : x
2. Step 2: Convert to fraction form
   12,107.50/18,173.63 = 18,173.63/x
3. Step 3: Cross multiply
   12,107.50x = 18,173.63 × 18,173.63
4. Step 4: Simplify right side
   12,107.50x = 330,280,645.64
5. Step 5: Solve for x
   x = 330,280,645.64/12,107.50
6. Step 6: Final answer
   x = 27,279.01