Finding the Third Proportional to 858.73 and 1,849.71

Step by Step Solution

1. Step 1: Write the proportion equation
   858.73 : 1,849.71 = 1,849.71 : x
2. Step 2: Convert to fraction form
   858.73/1,849.71 = 1,849.71/x
3. Step 3: Cross multiply
   858.73x = 1,849.71 × 1,849.71
4. Step 4: Simplify right side
   858.73x = 3,421,430.55
5. Step 5: Solve for x
   x = 3,421,430.55/858.73
6. Step 6: Final answer
   x = 3,984.31