Finding the Third Proportional to 17,689.22 and 27,292.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,689.22 : 27,292.78 = 27,292.78 : x
2. Step 2: Convert to fraction form
   17,689.22/27,292.78 = 27,292.78/x
3. Step 3: Cross multiply
   17,689.22x = 27,292.78 × 27,292.78
4. Step 4: Simplify right side
   17,689.22x = 744,895,908.36
5. Step 5: Solve for x
   x = 744,895,908.36/17,689.22
6. Step 6: Final answer
   x = 42,110.16