Finding the Third Proportional to 13,322 and 20,442

Step by Step Solution

1. Step 1: Write the proportion equation
   13,322 : 20,442 = 20,442 : x
2. Step 2: Convert to fraction form
   13,322/20,442 = 20,442/x
3. Step 3: Cross multiply
   13,322x = 20,442 × 20,442
4. Step 4: Simplify right side
   13,322x = 417,875,364
5. Step 5: Solve for x
   x = 417,875,364/13,322
6. Step 6: Final answer
   x = 31,367.31