Finding the Third Proportional to 1,206,116 and 2,511,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,116 : 2,511,478 = 2,511,478 : x
2. Step 2: Convert to fraction form
   1,206,116/2,511,478 = 2,511,478/x
3. Step 3: Cross multiply
   1,206,116x = 2,511,478 × 2,511,478
4. Step 4: Simplify right side
   1,206,116x = 6,307,521,744,484
5. Step 5: Solve for x
   x = 6,307,521,744,484/1,206,116
6. Step 6: Final answer
   x = 5,229,614.52