Finding the Third Proportional to 17,145 and 25,899

Step by Step Solution

1. Step 1: Write the proportion equation
   17,145 : 25,899 = 25,899 : x
2. Step 2: Convert to fraction form
   17,145/25,899 = 25,899/x
3. Step 3: Cross multiply
   17,145x = 25,899 × 25,899
4. Step 4: Simplify right side
   17,145x = 670,758,201
5. Step 5: Solve for x
   x = 670,758,201/17,145
6. Step 6: Final answer
   x = 39,122.67