Finding the Third Proportional to 2,085.75 and 4,518.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.75 : 4,518.56 = 4,518.56 : x
2. Step 2: Convert to fraction form
   2,085.75/4,518.56 = 4,518.56/x
3. Step 3: Cross multiply
   2,085.75x = 4,518.56 × 4,518.56
4. Step 4: Simplify right side
   2,085.75x = 20,417,407.07
5. Step 5: Solve for x
   x = 20,417,407.07/2,085.75
6. Step 6: Final answer
   x = 9,789.00