Finding the Third Proportional to 11,070 and 21,836

Step by Step Solution

1. Step 1: Write the proportion equation
   11,070 : 21,836 = 21,836 : x
2. Step 2: Convert to fraction form
   11,070/21,836 = 21,836/x
3. Step 3: Cross multiply
   11,070x = 21,836 × 21,836
4. Step 4: Simplify right side
   11,070x = 476,810,896
5. Step 5: Solve for x
   x = 476,810,896/11,070
6. Step 6: Final answer
   x = 43,072.35