Finding the Third Proportional to 3,067.50 and 3,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,067.50 : 3,607.50 = 3,607.50 : x
2. Step 2: Convert to fraction form
   3,067.50/3,607.50 = 3,607.50/x
3. Step 3: Cross multiply
   3,067.50x = 3,607.50 × 3,607.50
4. Step 4: Simplify right side
   3,067.50x = 13,014,056.25
5. Step 5: Solve for x
   x = 13,014,056.25/3,067.50
6. Step 6: Final answer
   x = 4,242.56