Finding the Third Proportional to 160,272 and 342,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,272 : 342,778.50 = 342,778.50 : x
2. Step 2: Convert to fraction form
   160,272/342,778.50 = 342,778.50/x
3. Step 3: Cross multiply
   160,272x = 342,778.50 × 342,778.50
4. Step 4: Simplify right side
   160,272x = 117,497,100,062.25
5. Step 5: Solve for x
   x = 117,497,100,062.25/160,272
6. Step 6: Final answer
   x = 733,110.59