Finding the Third Proportional to 72,706 and 158,570

Step by Step Solution

1. Step 1: Write the proportion equation
   72,706 : 158,570 = 158,570 : x
2. Step 2: Convert to fraction form
   72,706/158,570 = 158,570/x
3. Step 3: Cross multiply
   72,706x = 158,570 × 158,570
4. Step 4: Simplify right side
   72,706x = 25,144,444,900
5. Step 5: Solve for x
   x = 25,144,444,900/72,706
6. Step 6: Final answer
   x = 345,837.27