Finding the Third Proportional to 1,206,816 and 2,512,863

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,816 : 2,512,863 = 2,512,863 : x
2. Step 2: Convert to fraction form
   1,206,816/2,512,863 = 2,512,863/x
3. Step 3: Cross multiply
   1,206,816x = 2,512,863 × 2,512,863
4. Step 4: Simplify right side
   1,206,816x = 6,314,480,456,769
5. Step 5: Solve for x
   x = 6,314,480,456,769/1,206,816
6. Step 6: Final answer
   x = 5,232,347.31