Finding the Third Proportional to 2,188.31 and 3,274.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.31 : 3,274.69 = 3,274.69 : x
2. Step 2: Convert to fraction form
   2,188.31/3,274.69 = 3,274.69/x
3. Step 3: Cross multiply
   2,188.31x = 3,274.69 × 3,274.69
4. Step 4: Simplify right side
   2,188.31x = 10,723,578.22
5. Step 5: Solve for x
   x = 10,723,578.22/2,188.31
6. Step 6: Final answer
   x = 4,900.39