Finding the Third Proportional to 16,872.75 and 25,820.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,872.75 : 25,820.25 = 25,820.25 : x
2. Step 2: Convert to fraction form
   16,872.75/25,820.25 = 25,820.25/x
3. Step 3: Cross multiply
   16,872.75x = 25,820.25 × 25,820.25
4. Step 4: Simplify right side
   16,872.75x = 666,685,310.06
5. Step 5: Solve for x
   x = 666,685,310.06/16,872.75
6. Step 6: Final answer
   x = 39,512.55