Finding the Third Proportional to 70,178 and 111,556

Step by Step Solution

1. Step 1: Write the proportion equation
   70,178 : 111,556 = 111,556 : x
2. Step 2: Convert to fraction form
   70,178/111,556 = 111,556/x
3. Step 3: Cross multiply
   70,178x = 111,556 × 111,556
4. Step 4: Simplify right side
   70,178x = 12,444,741,136
5. Step 5: Solve for x
   x = 12,444,741,136/70,178
6. Step 6: Final answer
   x = 177,331.09