Finding the Third Proportional to 2,181.38 and 3,336.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.38 : 3,336.75 = 3,336.75 : x
2. Step 2: Convert to fraction form
   2,181.38/3,336.75 = 3,336.75/x
3. Step 3: Cross multiply
   2,181.38x = 3,336.75 × 3,336.75
4. Step 4: Simplify right side
   2,181.38x = 11,133,900.56
5. Step 5: Solve for x
   x = 11,133,900.56/2,181.38
6. Step 6: Final answer
   x = 5,104.07