Finding the Third Proportional to 17,061.75 and 18,843.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,061.75 : 18,843.75 = 18,843.75 : x
2. Step 2: Convert to fraction form
   17,061.75/18,843.75 = 18,843.75/x
3. Step 3: Cross multiply
   17,061.75x = 18,843.75 × 18,843.75
4. Step 4: Simplify right side
   17,061.75x = 355,086,914.06
5. Step 5: Solve for x
   x = 355,086,914.06/17,061.75
6. Step 6: Final answer
   x = 20,811.87