Finding the Third Proportional to 8,403.50 and 18,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,403.50 : 18,341.50 = 18,341.50 : x
2. Step 2: Convert to fraction form
   8,403.50/18,341.50 = 18,341.50/x
3. Step 3: Cross multiply
   8,403.50x = 18,341.50 × 18,341.50
4. Step 4: Simplify right side
   8,403.50x = 336,410,622.25
5. Step 5: Solve for x
   x = 336,410,622.25/8,403.50
6. Step 6: Final answer
   x = 40,032.20