Finding the Third Proportional to 12,384.56 and 18,813.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.56 : 18,813.94 = 18,813.94 : x
2. Step 2: Convert to fraction form
   12,384.56/18,813.94 = 18,813.94/x
3. Step 3: Cross multiply
   12,384.56x = 18,813.94 × 18,813.94
4. Step 4: Simplify right side
   12,384.56x = 353,964,244.25
5. Step 5: Solve for x
   x = 353,964,244.25/12,384.56
6. Step 6: Final answer
   x = 28,581.09