Finding the Third Proportional to 158,148 and 345,864

Step by Step Solution

1. Step 1: Write the proportion equation
   158,148 : 345,864 = 345,864 : x
2. Step 2: Convert to fraction form
   158,148/345,864 = 345,864/x
3. Step 3: Cross multiply
   158,148x = 345,864 × 345,864
4. Step 4: Simplify right side
   158,148x = 119,621,906,496
5. Step 5: Solve for x
   x = 119,621,906,496/158,148
6. Step 6: Final answer
   x = 756,392.15