Finding the Third Proportional to 3,967.50 and 5,828.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.50 : 5,828.25 = 5,828.25 : x
2. Step 2: Convert to fraction form
   3,967.50/5,828.25 = 5,828.25/x
3. Step 3: Cross multiply
   3,967.50x = 5,828.25 × 5,828.25
4. Step 4: Simplify right side
   3,967.50x = 33,968,498.06
5. Step 5: Solve for x
   x = 33,968,498.06/3,967.50
6. Step 6: Final answer
   x = 8,561.69