Finding the Third Proportional to 13,443 and 21,583

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443 : 21,583 = 21,583 : x
2. Step 2: Convert to fraction form
   13,443/21,583 = 21,583/x
3. Step 3: Cross multiply
   13,443x = 21,583 × 21,583
4. Step 4: Simplify right side
   13,443x = 465,825,889
5. Step 5: Solve for x
   x = 465,825,889/13,443
6. Step 6: Final answer
   x = 34,651.93