Finding the Third Proportional to 158,776 and 245,740

Step by Step Solution

1. Step 1: Write the proportion equation
   158,776 : 245,740 = 245,740 : x
2. Step 2: Convert to fraction form
   158,776/245,740 = 245,740/x
3. Step 3: Cross multiply
   158,776x = 245,740 × 245,740
4. Step 4: Simplify right side
   158,776x = 60,388,147,600
5. Step 5: Solve for x
   x = 60,388,147,600/158,776
6. Step 6: Final answer
   x = 380,335.49