Finding the Third Proportional to 12,892 and 28,664

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892 : 28,664 = 28,664 : x
2. Step 2: Convert to fraction form
   12,892/28,664 = 28,664/x
3. Step 3: Cross multiply
   12,892x = 28,664 × 28,664
4. Step 4: Simplify right side
   12,892x = 821,624,896
5. Step 5: Solve for x
   x = 821,624,896/12,892
6. Step 6: Final answer
   x = 63,731.38