Finding the Third Proportional to 2,485 and 3,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485 : 3,747.50 = 3,747.50 : x
2. Step 2: Convert to fraction form
   2,485/3,747.50 = 3,747.50/x
3. Step 3: Cross multiply
   2,485x = 3,747.50 × 3,747.50
4. Step 4: Simplify right side
   2,485x = 14,043,756.25
5. Step 5: Solve for x
   x = 14,043,756.25/2,485
6. Step 6: Final answer
   x = 5,651.41