Finding the Third Proportional to 158,300 and 245,898

Step by Step Solution

1. Step 1: Write the proportion equation
   158,300 : 245,898 = 245,898 : x
2. Step 2: Convert to fraction form
   158,300/245,898 = 245,898/x
3. Step 3: Cross multiply
   158,300x = 245,898 × 245,898
4. Step 4: Simplify right side
   158,300x = 60,465,826,404
5. Step 5: Solve for x
   x = 60,465,826,404/158,300
6. Step 6: Final answer
   x = 381,969.84