Finding the Third Proportional to 188,856 and 410,868

Step by Step Solution

1. Step 1: Write the proportion equation
   188,856 : 410,868 = 410,868 : x
2. Step 2: Convert to fraction form
   188,856/410,868 = 410,868/x
3. Step 3: Cross multiply
   188,856x = 410,868 × 410,868
4. Step 4: Simplify right side
   188,856x = 168,812,513,424
5. Step 5: Solve for x
   x = 168,812,513,424/188,856
6. Step 6: Final answer
   x = 893,868.94