Finding the Third Proportional to 8,439.19 and 17,675.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,439.19 : 17,675.72 = 17,675.72 : x
2. Step 2: Convert to fraction form
   8,439.19/17,675.72 = 17,675.72/x
3. Step 3: Cross multiply
   8,439.19x = 17,675.72 × 17,675.72
4. Step 4: Simplify right side
   8,439.19x = 312,431,033.33
5. Step 5: Solve for x
   x = 312,431,033.33/8,439.19
6. Step 6: Final answer
   x = 37,021.46