Finding the Third Proportional to 2,111.63 and 3,168.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.63 : 3,168.56 = 3,168.56 : x
2. Step 2: Convert to fraction form
   2,111.63/3,168.56 = 3,168.56/x
3. Step 3: Cross multiply
   2,111.63x = 3,168.56 × 3,168.56
4. Step 4: Simplify right side
   2,111.63x = 10,039,788.32
5. Step 5: Solve for x
   x = 10,039,788.32/2,111.63
6. Step 6: Final answer
   x = 4,754.53