Finding the Third Proportional to 2,560.88 and 3,460

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.88 : 3,460 = 3,460 : x
2. Step 2: Convert to fraction form
   2,560.88/3,460 = 3,460/x
3. Step 3: Cross multiply
   2,560.88x = 3,460 × 3,460
4. Step 4: Simplify right side
   2,560.88x = 11,971,600
5. Step 5: Solve for x
   x = 11,971,600/2,560.88
6. Step 6: Final answer
   x = 4,674.81