Finding the Third Proportional to 12,190.50 and 16,557.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,190.50 : 16,557.75 = 16,557.75 : x
2. Step 2: Convert to fraction form
   12,190.50/16,557.75 = 16,557.75/x
3. Step 3: Cross multiply
   12,190.50x = 16,557.75 × 16,557.75
4. Step 4: Simplify right side
   12,190.50x = 274,159,085.06
5. Step 5: Solve for x
   x = 274,159,085.06/12,190.50
6. Step 6: Final answer
   x = 22,489.57