Finding the Third Proportional to 17,864.25 and 27,689.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,864.25 : 27,689.25 = 27,689.25 : x
2. Step 2: Convert to fraction form
   17,864.25/27,689.25 = 27,689.25/x
3. Step 3: Cross multiply
   17,864.25x = 27,689.25 × 27,689.25
4. Step 4: Simplify right side
   17,864.25x = 766,694,565.56
5. Step 5: Solve for x
   x = 766,694,565.56/17,864.25
6. Step 6: Final answer
   x = 42,917.81