Finding the Third Proportional to 65,592 and 140,740

Step by Step Solution

1. Step 1: Write the proportion equation
   65,592 : 140,740 = 140,740 : x
2. Step 2: Convert to fraction form
   65,592/140,740 = 140,740/x
3. Step 3: Cross multiply
   65,592x = 140,740 × 140,740
4. Step 4: Simplify right side
   65,592x = 19,807,747,600
5. Step 5: Solve for x
   x = 19,807,747,600/65,592
6. Step 6: Final answer
   x = 301,984.20