Finding the Third Proportional to 1,288,096 and 2,831,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,096 : 2,831,168 = 2,831,168 : x
2. Step 2: Convert to fraction form
   1,288,096/2,831,168 = 2,831,168/x
3. Step 3: Cross multiply
   1,288,096x = 2,831,168 × 2,831,168
4. Step 4: Simplify right side
   1,288,096x = 8,015,512,244,224
5. Step 5: Solve for x
   x = 8,015,512,244,224/1,288,096
6. Step 6: Final answer
   x = 6,222,759.98