Finding the Third Proportional to 3,155 and 5,854

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155 : 5,854 = 5,854 : x
2. Step 2: Convert to fraction form
   3,155/5,854 = 5,854/x
3. Step 3: Cross multiply
   3,155x = 5,854 × 5,854
4. Step 4: Simplify right side
   3,155x = 34,269,316
5. Step 5: Solve for x
   x = 34,269,316/3,155
6. Step 6: Final answer
   x = 10,861.91