Finding the Third Proportional to 1,138,628 and 2,453,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,138,628 : 2,453,192 = 2,453,192 : x
2. Step 2: Convert to fraction form
   1,138,628/2,453,192 = 2,453,192/x
3. Step 3: Cross multiply
   1,138,628x = 2,453,192 × 2,453,192
4. Step 4: Simplify right side
   1,138,628x = 6,018,150,988,864
5. Step 5: Solve for x
   x = 6,018,150,988,864/1,138,628
6. Step 6: Final answer
   x = 5,285,440.89