Finding the Third Proportional to 21,920 and 34,004

Step by Step Solution

1. Step 1: Write the proportion equation
   21,920 : 34,004 = 34,004 : x
2. Step 2: Convert to fraction form
   21,920/34,004 = 34,004/x
3. Step 3: Cross multiply
   21,920x = 34,004 × 34,004
4. Step 4: Simplify right side
   21,920x = 1,156,272,016
5. Step 5: Solve for x
   x = 1,156,272,016/21,920
6. Step 6: Final answer
   x = 52,749.64