Finding the Third Proportional to 1,331,216 and 2,872,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,216 : 2,872,384 = 2,872,384 : x
2. Step 2: Convert to fraction form
   1,331,216/2,872,384 = 2,872,384/x
3. Step 3: Cross multiply
   1,331,216x = 2,872,384 × 2,872,384
4. Step 4: Simplify right side
   1,331,216x = 8,250,589,843,456
5. Step 5: Solve for x
   x = 8,250,589,843,456/1,331,216
6. Step 6: Final answer
   x = 6,197,784.46