Finding the Third Proportional to 410,160 and 861,792

Step by Step Solution

1. Step 1: Write the proportion equation
   410,160 : 861,792 = 861,792 : x
2. Step 2: Convert to fraction form
   410,160/861,792 = 861,792/x
3. Step 3: Cross multiply
   410,160x = 861,792 × 861,792
4. Step 4: Simplify right side
   410,160x = 742,685,451,264
5. Step 5: Solve for x
   x = 742,685,451,264/410,160
6. Step 6: Final answer
   x = 1,810,721.31