Finding the Third Proportional to 21,559 and 33,123

Step by Step Solution

1. Step 1: Write the proportion equation
   21,559 : 33,123 = 33,123 : x
2. Step 2: Convert to fraction form
   21,559/33,123 = 33,123/x
3. Step 3: Cross multiply
   21,559x = 33,123 × 33,123
4. Step 4: Simplify right side
   21,559x = 1,097,133,129
5. Step 5: Solve for x
   x = 1,097,133,129/21,559
6. Step 6: Final answer
   x = 50,889.80