Finding the Third Proportional to 2,272.50 and 3,509.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.50 : 3,509.25 = 3,509.25 : x
2. Step 2: Convert to fraction form
   2,272.50/3,509.25 = 3,509.25/x
3. Step 3: Cross multiply
   2,272.50x = 3,509.25 × 3,509.25
4. Step 4: Simplify right side
   2,272.50x = 12,314,835.56
5. Step 5: Solve for x
   x = 12,314,835.56/2,272.50
6. Step 6: Final answer
   x = 5,419.07