Finding the Third Proportional to 72,665 and 160,000

Step by Step Solution

1. Step 1: Write the proportion equation
   72,665 : 160,000 = 160,000 : x
2. Step 2: Convert to fraction form
   72,665/160,000 = 160,000/x
3. Step 3: Cross multiply
   72,665x = 160,000 × 160,000
4. Step 4: Simplify right side
   72,665x = 25,600,000,000
5. Step 5: Solve for x
   x = 25,600,000,000/72,665
6. Step 6: Final answer
   x = 352,301.66