Finding the Third Proportional to 158,256 and 343,545.75

Step by Step Solution

1. Step 1: Write the proportion equation
   158,256 : 343,545.75 = 343,545.75 : x
2. Step 2: Convert to fraction form
   158,256/343,545.75 = 343,545.75/x
3. Step 3: Cross multiply
   158,256x = 343,545.75 × 343,545.75
4. Step 4: Simplify right side
   158,256x = 118,023,682,343.06
5. Step 5: Solve for x
   x = 118,023,682,343.06/158,256
6. Step 6: Final answer
   x = 745,776.98