Finding the Third Proportional to 42,852 and 65,910

Step by Step Solution

1. Step 1: Write the proportion equation
   42,852 : 65,910 = 65,910 : x
2. Step 2: Convert to fraction form
   42,852/65,910 = 65,910/x
3. Step 3: Cross multiply
   42,852x = 65,910 × 65,910
4. Step 4: Simplify right side
   42,852x = 4,344,128,100
5. Step 5: Solve for x
   x = 4,344,128,100/42,852
6. Step 6: Final answer
   x = 101,375.15