Finding the Third Proportional to 12,882 and 27,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,882 : 27,171.50 = 27,171.50 : x
2. Step 2: Convert to fraction form
   12,882/27,171.50 = 27,171.50/x
3. Step 3: Cross multiply
   12,882x = 27,171.50 × 27,171.50
4. Step 4: Simplify right side
   12,882x = 738,290,412.25
5. Step 5: Solve for x
   x = 738,290,412.25/12,882
6. Step 6: Final answer
   x = 57,311.78