Finding the Third Proportional to 42,018 and 65,059

Step by Step Solution

1. Step 1: Write the proportion equation
   42,018 : 65,059 = 65,059 : x
2. Step 2: Convert to fraction form
   42,018/65,059 = 65,059/x
3. Step 3: Cross multiply
   42,018x = 65,059 × 65,059
4. Step 4: Simplify right side
   42,018x = 4,232,673,481
5. Step 5: Solve for x
   x = 4,232,673,481/42,018
6. Step 6: Final answer
   x = 100,734.77