Finding the Third Proportional to 2,086.50 and 2,917.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.50 : 2,917.13 = 2,917.13 : x
2. Step 2: Convert to fraction form
   2,086.50/2,917.13 = 2,917.13/x
3. Step 3: Cross multiply
   2,086.50x = 2,917.13 × 2,917.13
4. Step 4: Simplify right side
   2,086.50x = 8,509,618.27
5. Step 5: Solve for x
   x = 8,509,618.27/2,086.50
6. Step 6: Final answer
   x = 4,078.42