Finding the Third Proportional to 12,281 and 19,211

Step by Step Solution

1. Step 1: Write the proportion equation
   12,281 : 19,211 = 19,211 : x
2. Step 2: Convert to fraction form
   12,281/19,211 = 19,211/x
3. Step 3: Cross multiply
   12,281x = 19,211 × 19,211
4. Step 4: Simplify right side
   12,281x = 369,062,521
5. Step 5: Solve for x
   x = 369,062,521/12,281
6. Step 6: Final answer
   x = 30,051.50