Finding the Third Proportional to 162,740 and 335,928

Step by Step Solution

1. Step 1: Write the proportion equation
   162,740 : 335,928 = 335,928 : x
2. Step 2: Convert to fraction form
   162,740/335,928 = 335,928/x
3. Step 3: Cross multiply
   162,740x = 335,928 × 335,928
4. Step 4: Simplify right side
   162,740x = 112,847,621,184
5. Step 5: Solve for x
   x = 112,847,621,184/162,740
6. Step 6: Final answer
   x = 693,422.77