Finding the Third Proportional to 65,280 and 140,936

Step by Step Solution

1. Step 1: Write the proportion equation
   65,280 : 140,936 = 140,936 : x
2. Step 2: Convert to fraction form
   65,280/140,936 = 140,936/x
3. Step 3: Cross multiply
   65,280x = 140,936 × 140,936
4. Step 4: Simplify right side
   65,280x = 19,862,956,096
5. Step 5: Solve for x
   x = 19,862,956,096/65,280
6. Step 6: Final answer
   x = 304,273.22