Finding the Third Proportional to 161,238 and 335,710

Step by Step Solution

1. Step 1: Write the proportion equation
   161,238 : 335,710 = 335,710 : x
2. Step 2: Convert to fraction form
   161,238/335,710 = 335,710/x
3. Step 3: Cross multiply
   161,238x = 335,710 × 335,710
4. Step 4: Simplify right side
   161,238x = 112,701,204,100
5. Step 5: Solve for x
   x = 112,701,204,100/161,238
6. Step 6: Final answer
   x = 698,974.21