Finding the Third Proportional to 158,687 and 245,868

Step by Step Solution

1. Step 1: Write the proportion equation
   158,687 : 245,868 = 245,868 : x
2. Step 2: Convert to fraction form
   158,687/245,868 = 245,868/x
3. Step 3: Cross multiply
   158,687x = 245,868 × 245,868
4. Step 4: Simplify right side
   158,687x = 60,451,073,424
5. Step 5: Solve for x
   x = 60,451,073,424/158,687
6. Step 6: Final answer
   x = 380,945.34