Finding the Third Proportional to 16,721.44 and 35,614.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,721.44 : 35,614.69 = 35,614.69 : x
2. Step 2: Convert to fraction form
   16,721.44/35,614.69 = 35,614.69/x
3. Step 3: Cross multiply
   16,721.44x = 35,614.69 × 35,614.69
4. Step 4: Simplify right side
   16,721.44x = 1,268,405,965.72
5. Step 5: Solve for x
   x = 1,268,405,965.72/16,721.44
6. Step 6: Final answer
   x = 75,855.08