Finding the Third Proportional to 16,513.56 and 18,299.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.56 : 18,299.04 = 18,299.04 : x
2. Step 2: Convert to fraction form
   16,513.56/18,299.04 = 18,299.04/x
3. Step 3: Cross multiply
   16,513.56x = 18,299.04 × 18,299.04
4. Step 4: Simplify right side
   16,513.56x = 334,854,830.61
5. Step 5: Solve for x
   x = 334,854,830.61/16,513.56
6. Step 6: Final answer
   x = 20,277.57