Finding the Third Proportional to 21,908 and 34,030

Step by Step Solution

1. Step 1: Write the proportion equation
   21,908 : 34,030 = 34,030 : x
2. Step 2: Convert to fraction form
   21,908/34,030 = 34,030/x
3. Step 3: Cross multiply
   21,908x = 34,030 × 34,030
4. Step 4: Simplify right side
   21,908x = 1,158,040,900
5. Step 5: Solve for x
   x = 1,158,040,900/21,908
6. Step 6: Final answer
   x = 52,859.27