Finding the Third Proportional to 158,155 and 341,221

Step by Step Solution

1. Step 1: Write the proportion equation
   158,155 : 341,221 = 341,221 : x
2. Step 2: Convert to fraction form
   158,155/341,221 = 341,221/x
3. Step 3: Cross multiply
   158,155x = 341,221 × 341,221
4. Step 4: Simplify right side
   158,155x = 116,431,770,841
5. Step 5: Solve for x
   x = 116,431,770,841/158,155
6. Step 6: Final answer
   x = 736,187.73