Finding the Third Proportional to 828,954 and 1,280,064

Step by Step Solution

1. Step 1: Write the proportion equation
   828,954 : 1,280,064 = 1,280,064 : x
2. Step 2: Convert to fraction form
   828,954/1,280,064 = 1,280,064/x
3. Step 3: Cross multiply
   828,954x = 1,280,064 × 1,280,064
4. Step 4: Simplify right side
   828,954x = 1,638,563,844,096
5. Step 5: Solve for x
   x = 1,638,563,844,096/828,954
6. Step 6: Final answer
   x = 1,976,664.38