Finding the Third Proportional to 858.38 and 2,034.56

Step by Step Solution

1. Step 1: Write the proportion equation
   858.38 : 2,034.56 = 2,034.56 : x
2. Step 2: Convert to fraction form
   858.38/2,034.56 = 2,034.56/x
3. Step 3: Cross multiply
   858.38x = 2,034.56 × 2,034.56
4. Step 4: Simplify right side
   858.38x = 4,139,444.57
5. Step 5: Solve for x
   x = 4,139,444.57/858.38
6. Step 6: Final answer
   x = 4,822.42