Finding the Third Proportional to 8,410.08 and 18,213.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,410.08 : 18,213.61 = 18,213.61 : x
2. Step 2: Convert to fraction form
   8,410.08/18,213.61 = 18,213.61/x
3. Step 3: Cross multiply
   8,410.08x = 18,213.61 × 18,213.61
4. Step 4: Simplify right side
   8,410.08x = 331,735,566.47
5. Step 5: Solve for x
   x = 331,735,566.47/8,410.08
6. Step 6: Final answer
   x = 39,445.00