Finding the Third Proportional to 2,173.78 and 3,270.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.78 : 3,270.66 = 3,270.66 : x
2. Step 2: Convert to fraction form
   2,173.78/3,270.66 = 3,270.66/x
3. Step 3: Cross multiply
   2,173.78x = 3,270.66 × 3,270.66
4. Step 4: Simplify right side
   2,173.78x = 10,697,192.31
5. Step 5: Solve for x
   x = 10,697,192.31/2,173.78
6. Step 6: Final answer
   x = 4,921.01