Finding the Third Proportional to 188,684 and 410,680

Step by Step Solution

1. Step 1: Write the proportion equation
   188,684 : 410,680 = 410,680 : x
2. Step 2: Convert to fraction form
   188,684/410,680 = 410,680/x
3. Step 3: Cross multiply
   188,684x = 410,680 × 410,680
4. Step 4: Simplify right side
   188,684x = 168,658,062,400
5. Step 5: Solve for x
   x = 168,658,062,400/188,684
6. Step 6: Final answer
   x = 893,865.21