Finding the Third Proportional to 17,817 and 28,211

Step by Step Solution

1. Step 1: Write the proportion equation
   17,817 : 28,211 = 28,211 : x
2. Step 2: Convert to fraction form
   17,817/28,211 = 28,211/x
3. Step 3: Cross multiply
   17,817x = 28,211 × 28,211
4. Step 4: Simplify right side
   17,817x = 795,860,521
5. Step 5: Solve for x
   x = 795,860,521/17,817
6. Step 6: Final answer
   x = 44,668.60