Finding the Third Proportional to 2,660 and 3,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660 : 3,807.50 = 3,807.50 : x
2. Step 2: Convert to fraction form
   2,660/3,807.50 = 3,807.50/x
3. Step 3: Cross multiply
   2,660x = 3,807.50 × 3,807.50
4. Step 4: Simplify right side
   2,660x = 14,497,056.25
5. Step 5: Solve for x
   x = 14,497,056.25/2,660
6. Step 6: Final answer
   x = 5,450.02