Finding the Third Proportional to 16,645.50 and 18,063

Step by Step Solution

1. Step 1: Write the proportion equation
   16,645.50 : 18,063 = 18,063 : x
2. Step 2: Convert to fraction form
   16,645.50/18,063 = 18,063/x
3. Step 3: Cross multiply
   16,645.50x = 18,063 × 18,063
4. Step 4: Simplify right side
   16,645.50x = 326,271,969
5. Step 5: Solve for x
   x = 326,271,969/16,645.50
6. Step 6: Final answer
   x = 19,601.21