Finding the Third Proportional to 16,061 and 21,310

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061 : 21,310 = 21,310 : x
2. Step 2: Convert to fraction form
   16,061/21,310 = 21,310/x
3. Step 3: Cross multiply
   16,061x = 21,310 × 21,310
4. Step 4: Simplify right side
   16,061x = 454,116,100
5. Step 5: Solve for x
   x = 454,116,100/16,061
6. Step 6: Final answer
   x = 28,274.46