Finding the Third Proportional to 854.72 and 1,877.34

Step by Step Solution

1. Step 1: Write the proportion equation
   854.72 : 1,877.34 = 1,877.34 : x
2. Step 2: Convert to fraction form
   854.72/1,877.34 = 1,877.34/x
3. Step 3: Cross multiply
   854.72x = 1,877.34 × 1,877.34
4. Step 4: Simplify right side
   854.72x = 3,524,419.56
5. Step 5: Solve for x
   x = 3,524,419.56/854.72
6. Step 6: Final answer
   x = 4,123.48