Finding the Third Proportional to 17,256.80 and 27,081.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,256.80 : 27,081.21 = 27,081.21 : x
2. Step 2: Convert to fraction form
   17,256.80/27,081.21 = 27,081.21/x
3. Step 3: Cross multiply
   17,256.80x = 27,081.21 × 27,081.21
4. Step 4: Simplify right side
   17,256.80x = 733,391,985.84
5. Step 5: Solve for x
   x = 733,391,985.84/17,256.80
6. Step 6: Final answer
   x = 42,498.73