Finding the Third Proportional to 9,426 and 12,615

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426 : 12,615 = 12,615 : x
2. Step 2: Convert to fraction form
   9,426/12,615 = 12,615/x
3. Step 3: Cross multiply
   9,426x = 12,615 × 12,615
4. Step 4: Simplify right side
   9,426x = 159,138,225
5. Step 5: Solve for x
   x = 159,138,225/9,426
6. Step 6: Final answer
   x = 16,882.90