Finding the Third Proportional to 21,476 and 34,166

Step by Step Solution

1. Step 1: Write the proportion equation
   21,476 : 34,166 = 34,166 : x
2. Step 2: Convert to fraction form
   21,476/34,166 = 34,166/x
3. Step 3: Cross multiply
   21,476x = 34,166 × 34,166
4. Step 4: Simplify right side
   21,476x = 1,167,315,556
5. Step 5: Solve for x
   x = 1,167,315,556/21,476
6. Step 6: Final answer
   x = 54,354.42