Finding the Third Proportional to 17,991 and 25,659

Step by Step Solution

1. Step 1: Write the proportion equation
   17,991 : 25,659 = 25,659 : x
2. Step 2: Convert to fraction form
   17,991/25,659 = 25,659/x
3. Step 3: Cross multiply
   17,991x = 25,659 × 25,659
4. Step 4: Simplify right side
   17,991x = 658,384,281
5. Step 5: Solve for x
   x = 658,384,281/17,991
6. Step 6: Final answer
   x = 36,595.20