Finding the Third Proportional to 1,392,633 and 1,878,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,633 : 1,878,984 = 1,878,984 : x
2. Step 2: Convert to fraction form
   1,392,633/1,878,984 = 1,878,984/x
3. Step 3: Cross multiply
   1,392,633x = 1,878,984 × 1,878,984
4. Step 4: Simplify right side
   1,392,633x = 3,530,580,872,256
5. Step 5: Solve for x
   x = 3,530,580,872,256/1,392,633
6. Step 6: Final answer
   x = 2,535,183.98