Finding the Third Proportional to 15,111.56 and 16,650.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,111.56 : 16,650.56 = 16,650.56 : x
2. Step 2: Convert to fraction form
   15,111.56/16,650.56 = 16,650.56/x
3. Step 3: Cross multiply
   15,111.56x = 16,650.56 × 16,650.56
4. Step 4: Simplify right side
   15,111.56x = 277,241,231.57
5. Step 5: Solve for x
   x = 277,241,231.57/15,111.56
6. Step 6: Final answer
   x = 18,346.30