Finding the Third Proportional to 160,308 and 342,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,308 : 342,067.50 = 342,067.50 : x
2. Step 2: Convert to fraction form
   160,308/342,067.50 = 342,067.50/x
3. Step 3: Cross multiply
   160,308x = 342,067.50 × 342,067.50
4. Step 4: Simplify right side
   160,308x = 117,010,174,556.25
5. Step 5: Solve for x
   x = 117,010,174,556.25/160,308
6. Step 6: Final answer
   x = 729,908.52