Finding the Third Proportional to 9,438 and 12,633

Step by Step Solution

1. Step 1: Write the proportion equation
   9,438 : 12,633 = 12,633 : x
2. Step 2: Convert to fraction form
   9,438/12,633 = 12,633/x
3. Step 3: Cross multiply
   9,438x = 12,633 × 12,633
4. Step 4: Simplify right side
   9,438x = 159,592,689
5. Step 5: Solve for x
   x = 159,592,689/9,438
6. Step 6: Final answer
   x = 16,909.59