Finding the Third Proportional to 17,790 and 27,906

Step by Step Solution

1. Step 1: Write the proportion equation
   17,790 : 27,906 = 27,906 : x
2. Step 2: Convert to fraction form
   17,790/27,906 = 27,906/x
3. Step 3: Cross multiply
   17,790x = 27,906 × 27,906
4. Step 4: Simplify right side
   17,790x = 778,744,836
5. Step 5: Solve for x
   x = 778,744,836/17,790
6. Step 6: Final answer
   x = 43,774.30