Finding the Third Proportional to 16,900 and 22,428

Step by Step Solution

1. Step 1: Write the proportion equation
   16,900 : 22,428 = 22,428 : x
2. Step 2: Convert to fraction form
   16,900/22,428 = 22,428/x
3. Step 3: Cross multiply
   16,900x = 22,428 × 22,428
4. Step 4: Simplify right side
   16,900x = 503,015,184
5. Step 5: Solve for x
   x = 503,015,184/16,900
6. Step 6: Final answer
   x = 29,764.21