Finding the Third Proportional to 21,272 and 49,688

Step by Step Solution

1. Step 1: Write the proportion equation
   21,272 : 49,688 = 49,688 : x
2. Step 2: Convert to fraction form
   21,272/49,688 = 49,688/x
3. Step 3: Cross multiply
   21,272x = 49,688 × 49,688
4. Step 4: Simplify right side
   21,272x = 2,468,897,344
5. Step 5: Solve for x
   x = 2,468,897,344/21,272
6. Step 6: Final answer
   x = 116,063.24