Finding the Third Proportional to 12,885.96 and 18,867.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,885.96 : 18,867.94 = 18,867.94 : x
2. Step 2: Convert to fraction form
   12,885.96/18,867.94 = 18,867.94/x
3. Step 3: Cross multiply
   12,885.96x = 18,867.94 × 18,867.94
4. Step 4: Simplify right side
   12,885.96x = 355,999,065.50
5. Step 5: Solve for x
   x = 355,999,065.50/12,885.96
6. Step 6: Final answer
   x = 27,626.89