Finding the Third Proportional to 72,684 and 160,912

Step by Step Solution

1. Step 1: Write the proportion equation
   72,684 : 160,912 = 160,912 : x
2. Step 2: Convert to fraction form
   72,684/160,912 = 160,912/x
3. Step 3: Cross multiply
   72,684x = 160,912 × 160,912
4. Step 4: Simplify right side
   72,684x = 25,892,671,744
5. Step 5: Solve for x
   x = 25,892,671,744/72,684
6. Step 6: Final answer
   x = 356,236.20