Finding the Third Proportional to 8,817 and 12,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,817 : 12,933.50 = 12,933.50 : x
2. Step 2: Convert to fraction form
   8,817/12,933.50 = 12,933.50/x
3. Step 3: Cross multiply
   8,817x = 12,933.50 × 12,933.50
4. Step 4: Simplify right side
   8,817x = 167,275,422.25
5. Step 5: Solve for x
   x = 167,275,422.25/8,817
6. Step 6: Final answer
   x = 18,971.92