Finding the Third Proportional to 1,908.56 and 2,680.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.56 : 2,680.59 = 2,680.59 : x
2. Step 2: Convert to fraction form
   1,908.56/2,680.59 = 2,680.59/x
3. Step 3: Cross multiply
   1,908.56x = 2,680.59 × 2,680.59
4. Step 4: Simplify right side
   1,908.56x = 7,185,582.85
5. Step 5: Solve for x
   x = 7,185,582.85/1,908.56
6. Step 6: Final answer
   x = 3,764.92