Finding the Third Proportional to 21,225 and 41,913

Step by Step Solution

1. Step 1: Write the proportion equation
   21,225 : 41,913 = 41,913 : x
2. Step 2: Convert to fraction form
   21,225/41,913 = 41,913/x
3. Step 3: Cross multiply
   21,225x = 41,913 × 41,913
4. Step 4: Simplify right side
   21,225x = 1,756,699,569
5. Step 5: Solve for x
   x = 1,756,699,569/21,225
6. Step 6: Final answer
   x = 82,765.59