Finding the Third Proportional to 70,904 and 111,243

Step by Step Solution

1. Step 1: Write the proportion equation
   70,904 : 111,243 = 111,243 : x
2. Step 2: Convert to fraction form
   70,904/111,243 = 111,243/x
3. Step 3: Cross multiply
   70,904x = 111,243 × 111,243
4. Step 4: Simplify right side
   70,904x = 12,375,005,049
5. Step 5: Solve for x
   x = 12,375,005,049/70,904
6. Step 6: Final answer
   x = 174,531.83