Finding the Third Proportional to 65,118 and 134,610

Step by Step Solution

1. Step 1: Write the proportion equation
   65,118 : 134,610 = 134,610 : x
2. Step 2: Convert to fraction form
   65,118/134,610 = 134,610/x
3. Step 3: Cross multiply
   65,118x = 134,610 × 134,610
4. Step 4: Simplify right side
   65,118x = 18,119,852,100
5. Step 5: Solve for x
   x = 18,119,852,100/65,118
6. Step 6: Final answer
   x = 278,261.80