Finding the Third Proportional to 2,156.06 and 3,234.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.06 : 3,234.80 = 3,234.80 : x
2. Step 2: Convert to fraction form
   2,156.06/3,234.80 = 3,234.80/x
3. Step 3: Cross multiply
   2,156.06x = 3,234.80 × 3,234.80
4. Step 4: Simplify right side
   2,156.06x = 10,463,910.82
5. Step 5: Solve for x
   x = 10,463,910.82/2,156.06
6. Step 6: Final answer
   x = 4,853.25