Finding the Third Proportional to 1,574,658 and 3,454,398

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,658 : 3,454,398 = 3,454,398 : x
2. Step 2: Convert to fraction form
   1,574,658/3,454,398 = 3,454,398/x
3. Step 3: Cross multiply
   1,574,658x = 3,454,398 × 3,454,398
4. Step 4: Simplify right side
   1,574,658x = 11,932,865,542,404
5. Step 5: Solve for x
   x = 11,932,865,542,404/1,574,658
6. Step 6: Final answer
   x = 7,578,068.09