Finding the Third Proportional to 70,874 and 109,661

Step by Step Solution

1. Step 1: Write the proportion equation
   70,874 : 109,661 = 109,661 : x
2. Step 2: Convert to fraction form
   70,874/109,661 = 109,661/x
3. Step 3: Cross multiply
   70,874x = 109,661 × 109,661
4. Step 4: Simplify right side
   70,874x = 12,025,534,921
5. Step 5: Solve for x
   x = 12,025,534,921/70,874
6. Step 6: Final answer
   x = 169,674.84