Finding the Third Proportional to 10,546 and 21,395

Step by Step Solution

1. Step 1: Write the proportion equation
   10,546 : 21,395 = 21,395 : x
2. Step 2: Convert to fraction form
   10,546/21,395 = 21,395/x
3. Step 3: Cross multiply
   10,546x = 21,395 × 21,395
4. Step 4: Simplify right side
   10,546x = 457,746,025
5. Step 5: Solve for x
   x = 457,746,025/10,546
6. Step 6: Final answer
   x = 43,404.71