Finding the Third Proportional to 42,046 and 65,105

Step by Step Solution

1. Step 1: Write the proportion equation
   42,046 : 65,105 = 65,105 : x
2. Step 2: Convert to fraction form
   42,046/65,105 = 65,105/x
3. Step 3: Cross multiply
   42,046x = 65,105 × 65,105
4. Step 4: Simplify right side
   42,046x = 4,238,661,025
5. Step 5: Solve for x
   x = 4,238,661,025/42,046
6. Step 6: Final answer
   x = 100,810.09