Finding the Third Proportional to 1,811.53 and 2,003.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.53 : 2,003.91 = 2,003.91 : x
2. Step 2: Convert to fraction form
   1,811.53/2,003.91 = 2,003.91/x
3. Step 3: Cross multiply
   1,811.53x = 2,003.91 × 2,003.91
4. Step 4: Simplify right side
   1,811.53x = 4,015,640.26
5. Step 5: Solve for x
   x = 4,015,640.26/1,811.53
6. Step 6: Final answer
   x = 2,216.71