Finding the Third Proportional to 2,121.50 and 3,226

Step by Step Solution

1. Step 1: Write the proportion equation
   2,121.50 : 3,226 = 3,226 : x
2. Step 2: Convert to fraction form
   2,121.50/3,226 = 3,226/x
3. Step 3: Cross multiply
   2,121.50x = 3,226 × 3,226
4. Step 4: Simplify right side
   2,121.50x = 10,407,076
5. Step 5: Solve for x
   x = 10,407,076/2,121.50
6. Step 6: Final answer
   x = 4,905.53