Finding the Third Proportional to 12,124.69 and 18,551.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.69 : 18,551.53 = 18,551.53 : x
2. Step 2: Convert to fraction form
   12,124.69/18,551.53 = 18,551.53/x
3. Step 3: Cross multiply
   12,124.69x = 18,551.53 × 18,551.53
4. Step 4: Simplify right side
   12,124.69x = 344,159,311.72
5. Step 5: Solve for x
   x = 344,159,311.72/12,124.69
6. Step 6: Final answer
   x = 28,385.00