Finding the Third Proportional to 858.50 and 1,882

Step by Step Solution

1. Step 1: Write the proportion equation
   858.50 : 1,882 = 1,882 : x
2. Step 2: Convert to fraction form
   858.50/1,882 = 1,882/x
3. Step 3: Cross multiply
   858.50x = 1,882 × 1,882
4. Step 4: Simplify right side
   858.50x = 3,541,924
5. Step 5: Solve for x
   x = 3,541,924/858.50
6. Step 6: Final answer
   x = 4,125.71