Finding the Third Proportional to 3,504 and 3,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504 : 3,787.50 = 3,787.50 : x
2. Step 2: Convert to fraction form
   3,504/3,787.50 = 3,787.50/x
3. Step 3: Cross multiply
   3,504x = 3,787.50 × 3,787.50
4. Step 4: Simplify right side
   3,504x = 14,345,156.25
5. Step 5: Solve for x
   x = 14,345,156.25/3,504
6. Step 6: Final answer
   x = 4,093.94