Finding the Third Proportional to 11,874 and 18,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,874 : 18,459.50 = 18,459.50 : x
2. Step 2: Convert to fraction form
   11,874/18,459.50 = 18,459.50/x
3. Step 3: Cross multiply
   11,874x = 18,459.50 × 18,459.50
4. Step 4: Simplify right side
   11,874x = 340,753,140.25
5. Step 5: Solve for x
   x = 340,753,140.25/11,874
6. Step 6: Final answer
   x = 28,697.42