Finding the Third Proportional to 8,892 and 12,638.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892 : 12,638.25 = 12,638.25 : x
2. Step 2: Convert to fraction form
   8,892/12,638.25 = 12,638.25/x
3. Step 3: Cross multiply
   8,892x = 12,638.25 × 12,638.25
4. Step 4: Simplify right side
   8,892x = 159,725,363.06
5. Step 5: Solve for x
   x = 159,725,363.06/8,892
6. Step 6: Final answer
   x = 17,962.82