Finding the Third Proportional to 1,106 and 1,858

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106 : 1,858 = 1,858 : x
2. Step 2: Convert to fraction form
   1,106/1,858 = 1,858/x
3. Step 3: Cross multiply
   1,106x = 1,858 × 1,858
4. Step 4: Simplify right side
   1,106x = 3,452,164
5. Step 5: Solve for x
   x = 3,452,164/1,106
6. Step 6: Final answer
   x = 3,121.31