Finding the Third Proportional to 158,015 and 345,590

Step by Step Solution

1. Step 1: Write the proportion equation
   158,015 : 345,590 = 345,590 : x
2. Step 2: Convert to fraction form
   158,015/345,590 = 345,590/x
3. Step 3: Cross multiply
   158,015x = 345,590 × 345,590
4. Step 4: Simplify right side
   158,015x = 119,432,448,100
5. Step 5: Solve for x
   x = 119,432,448,100/158,015
6. Step 6: Final answer
   x = 755,829.81