Finding the Third Proportional to 2,131.38 and 3,235.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.38 : 3,235.88 = 3,235.88 : x
2. Step 2: Convert to fraction form
   2,131.38/3,235.88 = 3,235.88/x
3. Step 3: Cross multiply
   2,131.38x = 3,235.88 × 3,235.88
4. Step 4: Simplify right side
   2,131.38x = 10,470,887.02
5. Step 5: Solve for x
   x = 10,470,887.02/2,131.38
6. Step 6: Final answer
   x = 4,912.74