Finding the Third Proportional to 3,775.78 and 8,252.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,775.78 : 8,252.72 = 8,252.72 : x
2. Step 2: Convert to fraction form
   3,775.78/8,252.72 = 8,252.72/x
3. Step 3: Cross multiply
   3,775.78x = 8,252.72 × 8,252.72
4. Step 4: Simplify right side
   3,775.78x = 68,107,366.77
5. Step 5: Solve for x
   x = 68,107,366.77/3,775.78
6. Step 6: Final answer
   x = 18,037.95