Finding the Third Proportional to 17,821.50 and 27,591.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,821.50 : 27,591.75 = 27,591.75 : x
2. Step 2: Convert to fraction form
   17,821.50/27,591.75 = 27,591.75/x
3. Step 3: Cross multiply
   17,821.50x = 27,591.75 × 27,591.75
4. Step 4: Simplify right side
   17,821.50x = 761,304,668.06
5. Step 5: Solve for x
   x = 761,304,668.06/17,821.50
6. Step 6: Final answer
   x = 42,718.33