Finding the Third Proportional to 17,809.50 and 27,687

Step by Step Solution

1. Step 1: Write the proportion equation
   17,809.50 : 27,687 = 27,687 : x
2. Step 2: Convert to fraction form
   17,809.50/27,687 = 27,687/x
3. Step 3: Cross multiply
   17,809.50x = 27,687 × 27,687
4. Step 4: Simplify right side
   17,809.50x = 766,569,969
5. Step 5: Solve for x
   x = 766,569,969/17,809.50
6. Step 6: Final answer
   x = 43,042.76