Finding the Third Proportional to 13,606 and 21,028

Step by Step Solution

1. Step 1: Write the proportion equation
   13,606 : 21,028 = 21,028 : x
2. Step 2: Convert to fraction form
   13,606/21,028 = 21,028/x
3. Step 3: Cross multiply
   13,606x = 21,028 × 21,028
4. Step 4: Simplify right side
   13,606x = 442,176,784
5. Step 5: Solve for x
   x = 442,176,784/13,606
6. Step 6: Final answer
   x = 32,498.66