Finding the Third Proportional to 21,266 and 30,442

Step by Step Solution

1. Step 1: Write the proportion equation
   21,266 : 30,442 = 30,442 : x
2. Step 2: Convert to fraction form
   21,266/30,442 = 30,442/x
3. Step 3: Cross multiply
   21,266x = 30,442 × 30,442
4. Step 4: Simplify right side
   21,266x = 926,715,364
5. Step 5: Solve for x
   x = 926,715,364/21,266
6. Step 6: Final answer
   x = 43,577.32