Finding the Third Proportional to 2,168.25 and 3,156.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.25 : 3,156.75 = 3,156.75 : x
2. Step 2: Convert to fraction form
   2,168.25/3,156.75 = 3,156.75/x
3. Step 3: Cross multiply
   2,168.25x = 3,156.75 × 3,156.75
4. Step 4: Simplify right side
   2,168.25x = 9,965,070.56
5. Step 5: Solve for x
   x = 9,965,070.56/2,168.25
6. Step 6: Final answer
   x = 4,595.90