Finding the Third Proportional to 12,643.59 and 17,794.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,643.59 : 17,794.69 = 17,794.69 : x
2. Step 2: Convert to fraction form
   12,643.59/17,794.69 = 17,794.69/x
3. Step 3: Cross multiply
   12,643.59x = 17,794.69 × 17,794.69
4. Step 4: Simplify right side
   12,643.59x = 316,650,903.22
5. Step 5: Solve for x
   x = 316,650,903.22/12,643.59
6. Step 6: Final answer
   x = 25,044.38