Finding the Third Proportional to 2,154 and 5,609

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154 : 5,609 = 5,609 : x
2. Step 2: Convert to fraction form
   2,154/5,609 = 5,609/x
3. Step 3: Cross multiply
   2,154x = 5,609 × 5,609
4. Step 4: Simplify right side
   2,154x = 31,460,881
5. Step 5: Solve for x
   x = 31,460,881/2,154
6. Step 6: Final answer
   x = 14,605.79