Finding the Third Proportional to 70,288 and 111,692

Step by Step Solution

1. Step 1: Write the proportion equation
   70,288 : 111,692 = 111,692 : x
2. Step 2: Convert to fraction form
   70,288/111,692 = 111,692/x
3. Step 3: Cross multiply
   70,288x = 111,692 × 111,692
4. Step 4: Simplify right side
   70,288x = 12,475,102,864
5. Step 5: Solve for x
   x = 12,475,102,864/70,288
6. Step 6: Final answer
   x = 177,485.53