Finding the Third Proportional to 9,142 and 20,362

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142 : 20,362 = 20,362 : x
2. Step 2: Convert to fraction form
   9,142/20,362 = 20,362/x
3. Step 3: Cross multiply
   9,142x = 20,362 × 20,362
4. Step 4: Simplify right side
   9,142x = 414,611,044
5. Step 5: Solve for x
   x = 414,611,044/9,142
6. Step 6: Final answer
   x = 45,352.33