Finding the Third Proportional to 65,089 and 134,065

Step by Step Solution

1. Step 1: Write the proportion equation
   65,089 : 134,065 = 134,065 : x
2. Step 2: Convert to fraction form
   65,089/134,065 = 134,065/x
3. Step 3: Cross multiply
   65,089x = 134,065 × 134,065
4. Step 4: Simplify right side
   65,089x = 17,973,424,225
5. Step 5: Solve for x
   x = 17,973,424,225/65,089
6. Step 6: Final answer
   x = 276,136.12