Finding the Third Proportional to 16,436.81 and 25,424.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436.81 : 25,424.72 = 25,424.72 : x
2. Step 2: Convert to fraction form
   16,436.81/25,424.72 = 25,424.72/x
3. Step 3: Cross multiply
   16,436.81x = 25,424.72 × 25,424.72
4. Step 4: Simplify right side
   16,436.81x = 646,416,323.52
5. Step 5: Solve for x
   x = 646,416,323.52/16,436.81
6. Step 6: Final answer
   x = 39,327.35