Finding the Third Proportional to 18,758.25 and 28,205.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,758.25 : 28,205.72 = 28,205.72 : x
2. Step 2: Convert to fraction form
   18,758.25/28,205.72 = 28,205.72/x
3. Step 3: Cross multiply
   18,758.25x = 28,205.72 × 28,205.72
4. Step 4: Simplify right side
   18,758.25x = 795,562,570.20
5. Step 5: Solve for x
   x = 795,562,570.20/18,758.25
6. Step 6: Final answer
   x = 42,411.34