Finding the Third Proportional to 188,642 and 410,980

Step by Step Solution

1. Step 1: Write the proportion equation
   188,642 : 410,980 = 410,980 : x
2. Step 2: Convert to fraction form
   188,642/410,980 = 410,980/x
3. Step 3: Cross multiply
   188,642x = 410,980 × 410,980
4. Step 4: Simplify right side
   188,642x = 168,904,560,400
5. Step 5: Solve for x
   x = 168,904,560,400/188,642
6. Step 6: Final answer
   x = 895,370.92