Finding the Third Proportional to 21,522 and 43,908

Step by Step Solution

1. Step 1: Write the proportion equation
   21,522 : 43,908 = 43,908 : x
2. Step 2: Convert to fraction form
   21,522/43,908 = 43,908/x
3. Step 3: Cross multiply
   21,522x = 43,908 × 43,908
4. Step 4: Simplify right side
   21,522x = 1,927,912,464
5. Step 5: Solve for x
   x = 1,927,912,464/21,522
6. Step 6: Final answer
   x = 89,578.69