Finding the Third Proportional to 16,148 and 21,700

Step by Step Solution

1. Step 1: Write the proportion equation
   16,148 : 21,700 = 21,700 : x
2. Step 2: Convert to fraction form
   16,148/21,700 = 21,700/x
3. Step 3: Cross multiply
   16,148x = 21,700 × 21,700
4. Step 4: Simplify right side
   16,148x = 470,890,000
5. Step 5: Solve for x
   x = 470,890,000/16,148
6. Step 6: Final answer
   x = 29,160.89