Finding the Third Proportional to 11,487.38 and 16,259.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,487.38 : 16,259.63 = 16,259.63 : x
2. Step 2: Convert to fraction form
   11,487.38/16,259.63 = 16,259.63/x
3. Step 3: Cross multiply
   11,487.38x = 16,259.63 × 16,259.63
4. Step 4: Simplify right side
   11,487.38x = 264,375,405.14
5. Step 5: Solve for x
   x = 264,375,405.14/11,487.38
6. Step 6: Final answer
   x = 23,014.43