Finding the Third Proportional to 74,951.50 and 161,020

Step by Step Solution

1. Step 1: Write the proportion equation
   74,951.50 : 161,020 = 161,020 : x
2. Step 2: Convert to fraction form
   74,951.50/161,020 = 161,020/x
3. Step 3: Cross multiply
   74,951.50x = 161,020 × 161,020
4. Step 4: Simplify right side
   74,951.50x = 25,927,440,400
5. Step 5: Solve for x
   x = 25,927,440,400/74,951.50
6. Step 6: Final answer
   x = 345,922.90