Finding the Third Proportional to 21,385 and 49,560

Step by Step Solution

1. Step 1: Write the proportion equation
   21,385 : 49,560 = 49,560 : x
2. Step 2: Convert to fraction form
   21,385/49,560 = 49,560/x
3. Step 3: Cross multiply
   21,385x = 49,560 × 49,560
4. Step 4: Simplify right side
   21,385x = 2,456,193,600
5. Step 5: Solve for x
   x = 2,456,193,600/21,385
6. Step 6: Final answer
   x = 114,855.91