Finding the Third Proportional to 74,790 and 158,020

Step by Step Solution

1. Step 1: Write the proportion equation
   74,790 : 158,020 = 158,020 : x
2. Step 2: Convert to fraction form
   74,790/158,020 = 158,020/x
3. Step 3: Cross multiply
   74,790x = 158,020 × 158,020
4. Step 4: Simplify right side
   74,790x = 24,970,320,400
5. Step 5: Solve for x
   x = 24,970,320,400/74,790
6. Step 6: Final answer
   x = 333,872.45