Finding the Third Proportional to 2,203.50 and 4,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203.50 : 4,588.50 = 4,588.50 : x
2. Step 2: Convert to fraction form
   2,203.50/4,588.50 = 4,588.50/x
3. Step 3: Cross multiply
   2,203.50x = 4,588.50 × 4,588.50
4. Step 4: Simplify right side
   2,203.50x = 21,054,332.25
5. Step 5: Solve for x
   x = 21,054,332.25/2,203.50
6. Step 6: Final answer
   x = 9,554.95