Finding the Third Proportional to 21,462 and 30,222

Step by Step Solution

1. Step 1: Write the proportion equation
   21,462 : 30,222 = 30,222 : x
2. Step 2: Convert to fraction form
   21,462/30,222 = 30,222/x
3. Step 3: Cross multiply
   21,462x = 30,222 × 30,222
4. Step 4: Simplify right side
   21,462x = 913,369,284
5. Step 5: Solve for x
   x = 913,369,284/21,462
6. Step 6: Final answer
   x = 42,557.51