Finding the Third Proportional to 10,738 and 21,260

Step by Step Solution

1. Step 1: Write the proportion equation
   10,738 : 21,260 = 21,260 : x
2. Step 2: Convert to fraction form
   10,738/21,260 = 21,260/x
3. Step 3: Cross multiply
   10,738x = 21,260 × 21,260
4. Step 4: Simplify right side
   10,738x = 451,987,600
5. Step 5: Solve for x
   x = 451,987,600/10,738
6. Step 6: Final answer
   x = 42,092.34