Finding the Third Proportional to 8,310.75 and 12,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,310.75 : 12,773.50 = 12,773.50 : x
2. Step 2: Convert to fraction form
   8,310.75/12,773.50 = 12,773.50/x
3. Step 3: Cross multiply
   8,310.75x = 12,773.50 × 12,773.50
4. Step 4: Simplify right side
   8,310.75x = 163,162,302.25
5. Step 5: Solve for x
   x = 163,162,302.25/8,310.75
6. Step 6: Final answer
   x = 19,632.68