Finding the Third Proportional to 16,521.75 and 25,601.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521.75 : 25,601.63 = 25,601.63 : x
2. Step 2: Convert to fraction form
   16,521.75/25,601.63 = 25,601.63/x
3. Step 3: Cross multiply
   16,521.75x = 25,601.63 × 25,601.63
4. Step 4: Simplify right side
   16,521.75x = 655,443,202.64
5. Step 5: Solve for x
   x = 655,443,202.64/16,521.75
6. Step 6: Final answer
   x = 39,671.54