Finding the Third Proportional to 12,550.50 and 18,826.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,550.50 : 18,826.31 = 18,826.31 : x
2. Step 2: Convert to fraction form
   12,550.50/18,826.31 = 18,826.31/x
3. Step 3: Cross multiply
   12,550.50x = 18,826.31 × 18,826.31
4. Step 4: Simplify right side
   12,550.50x = 354,430,042.35
5. Step 5: Solve for x
   x = 354,430,042.35/12,550.50
6. Step 6: Final answer
   x = 28,240.31