Finding the Third Proportional to 8,144.30 and 12,341.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.30 : 12,341.74 = 12,341.74 : x
2. Step 2: Convert to fraction form
   8,144.30/12,341.74 = 12,341.74/x
3. Step 3: Cross multiply
   8,144.30x = 12,341.74 × 12,341.74
4. Step 4: Simplify right side
   8,144.30x = 152,318,600.22
5. Step 5: Solve for x
   x = 152,318,600.22/8,144.30
6. Step 6: Final answer
   x = 18,702.49