Finding the Third Proportional to 70,908 and 111,249

Step by Step Solution

1. Step 1: Write the proportion equation
   70,908 : 111,249 = 111,249 : x
2. Step 2: Convert to fraction form
   70,908/111,249 = 111,249/x
3. Step 3: Cross multiply
   70,908x = 111,249 × 111,249
4. Step 4: Simplify right side
   70,908x = 12,376,340,001
5. Step 5: Solve for x
   x = 12,376,340,001/70,908
6. Step 6: Final answer
   x = 174,540.81