Finding the Third Proportional to 160,929 and 342,648

Step by Step Solution

1. Step 1: Write the proportion equation
   160,929 : 342,648 = 342,648 : x
2. Step 2: Convert to fraction form
   160,929/342,648 = 342,648/x
3. Step 3: Cross multiply
   160,929x = 342,648 × 342,648
4. Step 4: Simplify right side
   160,929x = 117,407,651,904
5. Step 5: Solve for x
   x = 117,407,651,904/160,929
6. Step 6: Final answer
   x = 729,561.81