Finding the Third Proportional to 16,710.05 and 21,400.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,710.05 : 21,400.14 = 21,400.14 : x
2. Step 2: Convert to fraction form
   16,710.05/21,400.14 = 21,400.14/x
3. Step 3: Cross multiply
   16,710.05x = 21,400.14 × 21,400.14
4. Step 4: Simplify right side
   16,710.05x = 457,965,851.58
5. Step 5: Solve for x
   x = 457,965,851.58/16,710.05
6. Step 6: Final answer
   x = 27,406.62