Finding the Third Proportional to 1,489.22 and 2,503.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489.22 : 2,503.83 = 2,503.83 : x
2. Step 2: Convert to fraction form
   1,489.22/2,503.83 = 2,503.83/x
3. Step 3: Cross multiply
   1,489.22x = 2,503.83 × 2,503.83
4. Step 4: Simplify right side
   1,489.22x = 6,269,155.28
5. Step 5: Solve for x
   x = 6,269,155.28/1,489.22
6. Step 6: Final answer
   x = 4,209.69