Finding the Third Proportional to 12,555.38 and 19,440.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,555.38 : 19,440.94 = 19,440.94 : x
2. Step 2: Convert to fraction form
   12,555.38/19,440.94 = 19,440.94/x
3. Step 3: Cross multiply
   12,555.38x = 19,440.94 × 19,440.94
4. Step 4: Simplify right side
   12,555.38x = 377,950,050.88
5. Step 5: Solve for x
   x = 377,950,050.88/12,555.38
6. Step 6: Final answer
   x = 30,102.65