Finding the Third Proportional to 12,774 and 18,673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774 : 18,673.50 = 18,673.50 : x
2. Step 2: Convert to fraction form
   12,774/18,673.50 = 18,673.50/x
3. Step 3: Cross multiply
   12,774x = 18,673.50 × 18,673.50
4. Step 4: Simplify right side
   12,774x = 348,699,602.25
5. Step 5: Solve for x
   x = 348,699,602.25/12,774
6. Step 6: Final answer
   x = 27,297.60