Finding the Third Proportional to 17,221 and 37,718

Step by Step Solution

1. Step 1: Write the proportion equation
   17,221 : 37,718 = 37,718 : x
2. Step 2: Convert to fraction form
   17,221/37,718 = 37,718/x
3. Step 3: Cross multiply
   17,221x = 37,718 × 37,718
4. Step 4: Simplify right side
   17,221x = 1,422,647,524
5. Step 5: Solve for x
   x = 1,422,647,524/17,221
6. Step 6: Final answer
   x = 82,611.20