Finding the Third Proportional to 2,159.58 and 3,170.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159.58 : 3,170.39 = 3,170.39 : x
2. Step 2: Convert to fraction form
   2,159.58/3,170.39 = 3,170.39/x
3. Step 3: Cross multiply
   2,159.58x = 3,170.39 × 3,170.39
4. Step 4: Simplify right side
   2,159.58x = 10,051,376.72
5. Step 5: Solve for x
   x = 10,051,376.72/2,159.58
6. Step 6: Final answer
   x = 4,654.32