Finding the Third Proportional to 2,190.50 and 4,483.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.50 : 4,483.25 = 4,483.25 : x
2. Step 2: Convert to fraction form
   2,190.50/4,483.25 = 4,483.25/x
3. Step 3: Cross multiply
   2,190.50x = 4,483.25 × 4,483.25
4. Step 4: Simplify right side
   2,190.50x = 20,099,530.56
5. Step 5: Solve for x
   x = 20,099,530.56/2,190.50
6. Step 6: Final answer
   x = 9,175.77