Finding the Third Proportional to 158,072 and 345,650

Step by Step Solution

1. Step 1: Write the proportion equation
   158,072 : 345,650 = 345,650 : x
2. Step 2: Convert to fraction form
   158,072/345,650 = 345,650/x
3. Step 3: Cross multiply
   158,072x = 345,650 × 345,650
4. Step 4: Simplify right side
   158,072x = 119,473,922,500
5. Step 5: Solve for x
   x = 119,473,922,500/158,072
6. Step 6: Final answer
   x = 755,819.64