Finding the Third Proportional to 1,578,874 and 3,472,676

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,874 : 3,472,676 = 3,472,676 : x
2. Step 2: Convert to fraction form
   1,578,874/3,472,676 = 3,472,676/x
3. Step 3: Cross multiply
   1,578,874x = 3,472,676 × 3,472,676
4. Step 4: Simplify right side
   1,578,874x = 12,059,478,600,976
5. Step 5: Solve for x
   x = 12,059,478,600,976/1,578,874
6. Step 6: Final answer
   x = 7,638,024.69