Finding the Third Proportional to 16,740 and 25,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,740 : 25,920.50 = 25,920.50 : x
2. Step 2: Convert to fraction form
   16,740/25,920.50 = 25,920.50/x
3. Step 3: Cross multiply
   16,740x = 25,920.50 × 25,920.50
4. Step 4: Simplify right side
   16,740x = 671,872,320.25
5. Step 5: Solve for x
   x = 671,872,320.25/16,740
6. Step 6: Final answer
   x = 40,135.74