Finding the Third Proportional to 17,790 and 27,876

Step by Step Solution

1. Step 1: Write the proportion equation
   17,790 : 27,876 = 27,876 : x
2. Step 2: Convert to fraction form
   17,790/27,876 = 27,876/x
3. Step 3: Cross multiply
   17,790x = 27,876 × 27,876
4. Step 4: Simplify right side
   17,790x = 777,071,376
5. Step 5: Solve for x
   x = 777,071,376/17,790
6. Step 6: Final answer
   x = 43,680.23