Finding the Third Proportional to 16,439.63 and 25,761.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,439.63 : 25,761.38 = 25,761.38 : x
2. Step 2: Convert to fraction form
   16,439.63/25,761.38 = 25,761.38/x
3. Step 3: Cross multiply
   16,439.63x = 25,761.38 × 25,761.38
4. Step 4: Simplify right side
   16,439.63x = 663,648,441.89
5. Step 5: Solve for x
   x = 663,648,441.89/16,439.63
6. Step 6: Final answer
   x = 40,368.83