Finding the Third Proportional to 16,817.63 and 39,643.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,817.63 : 39,643.59 = 39,643.59 : x
2. Step 2: Convert to fraction form
   16,817.63/39,643.59 = 39,643.59/x
3. Step 3: Cross multiply
   16,817.63x = 39,643.59 × 39,643.59
4. Step 4: Simplify right side
   16,817.63x = 1,571,614,525.42
5. Step 5: Solve for x
   x = 1,571,614,525.42/16,817.63
6. Step 6: Final answer
   x = 93,450.44