Finding the Third Proportional to 16,620.35 and 25,545.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,620.35 : 25,545.61 = 25,545.61 : x
2. Step 2: Convert to fraction form
   16,620.35/25,545.61 = 25,545.61/x
3. Step 3: Cross multiply
   16,620.35x = 25,545.61 × 25,545.61
4. Step 4: Simplify right side
   16,620.35x = 652,578,308.02
5. Step 5: Solve for x
   x = 652,578,308.02/16,620.35
6. Step 6: Final answer
   x = 39,263.82