Finding the Third Proportional to 21,359 and 49,903

Step by Step Solution

1. Step 1: Write the proportion equation
   21,359 : 49,903 = 49,903 : x
2. Step 2: Convert to fraction form
   21,359/49,903 = 49,903/x
3. Step 3: Cross multiply
   21,359x = 49,903 × 49,903
4. Step 4: Simplify right side
   21,359x = 2,490,309,409
5. Step 5: Solve for x
   x = 2,490,309,409/21,359
6. Step 6: Final answer
   x = 116,592.98