Finding the Third Proportional to 1,976.75 and 3,086.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.75 : 3,086.75 = 3,086.75 : x
2. Step 2: Convert to fraction form
   1,976.75/3,086.75 = 3,086.75/x
3. Step 3: Cross multiply
   1,976.75x = 3,086.75 × 3,086.75
4. Step 4: Simplify right side
   1,976.75x = 9,528,025.56
5. Step 5: Solve for x
   x = 9,528,025.56/1,976.75
6. Step 6: Final answer
   x = 4,820.05