Finding the Third Proportional to 162,708 and 353,404

Step by Step Solution

1. Step 1: Write the proportion equation
   162,708 : 353,404 = 353,404 : x
2. Step 2: Convert to fraction form
   162,708/353,404 = 353,404/x
3. Step 3: Cross multiply
   162,708x = 353,404 × 353,404
4. Step 4: Simplify right side
   162,708x = 124,894,387,216
5. Step 5: Solve for x
   x = 124,894,387,216/162,708
6. Step 6: Final answer
   x = 767,598.32