Finding the Third Proportional to 12,327.19 and 18,485.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.19 : 18,485.72 = 18,485.72 : x
2. Step 2: Convert to fraction form
   12,327.19/18,485.72 = 18,485.72/x
3. Step 3: Cross multiply
   12,327.19x = 18,485.72 × 18,485.72
4. Step 4: Simplify right side
   12,327.19x = 341,721,797.70
5. Step 5: Solve for x
   x = 341,721,797.70/12,327.19
6. Step 6: Final answer
   x = 27,720.99