Finding the Third Proportional to 65,118 and 140,190

Step by Step Solution

1. Step 1: Write the proportion equation
   65,118 : 140,190 = 140,190 : x
2. Step 2: Convert to fraction form
   65,118/140,190 = 140,190/x
3. Step 3: Cross multiply
   65,118x = 140,190 × 140,190
4. Step 4: Simplify right side
   65,118x = 19,653,236,100
5. Step 5: Solve for x
   x = 19,653,236,100/65,118
6. Step 6: Final answer
   x = 301,809.58