Finding the Third Proportional to 3,856.31 and 8,085.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.31 : 8,085.56 = 8,085.56 : x
2. Step 2: Convert to fraction form
   3,856.31/8,085.56 = 8,085.56/x
3. Step 3: Cross multiply
   3,856.31x = 8,085.56 × 8,085.56
4. Step 4: Simplify right side
   3,856.31x = 65,376,320.94
5. Step 5: Solve for x
   x = 65,376,320.94/3,856.31
6. Step 6: Final answer
   x = 16,953.07