Finding the Third Proportional to 72,097 and 155,287

Step by Step Solution

1. Step 1: Write the proportion equation
   72,097 : 155,287 = 155,287 : x
2. Step 2: Convert to fraction form
   72,097/155,287 = 155,287/x
3. Step 3: Cross multiply
   72,097x = 155,287 × 155,287
4. Step 4: Simplify right side
   72,097x = 24,114,052,369
5. Step 5: Solve for x
   x = 24,114,052,369/72,097
6. Step 6: Final answer
   x = 334,466.79