Finding the Third Proportional to 192,555 and 410,870

Step by Step Solution

1. Step 1: Write the proportion equation
   192,555 : 410,870 = 410,870 : x
2. Step 2: Convert to fraction form
   192,555/410,870 = 410,870/x
3. Step 3: Cross multiply
   192,555x = 410,870 × 410,870
4. Step 4: Simplify right side
   192,555x = 168,814,156,900
5. Step 5: Solve for x
   x = 168,814,156,900/192,555
6. Step 6: Final answer
   x = 876,706.17