Finding the Third Proportional to 1,288,548 and 2,831,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,548 : 2,831,976 = 2,831,976 : x
2. Step 2: Convert to fraction form
   1,288,548/2,831,976 = 2,831,976/x
3. Step 3: Cross multiply
   1,288,548x = 2,831,976 × 2,831,976
4. Step 4: Simplify right side
   1,288,548x = 8,020,088,064,576
5. Step 5: Solve for x
   x = 8,020,088,064,576/1,288,548
6. Step 6: Final answer
   x = 6,224,128.29