Finding the Third Proportional to 2,255,688 and 3,454,974

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255,688 : 3,454,974 = 3,454,974 : x
2. Step 2: Convert to fraction form
   2,255,688/3,454,974 = 3,454,974/x
3. Step 3: Cross multiply
   2,255,688x = 3,454,974 × 3,454,974
4. Step 4: Simplify right side
   2,255,688x = 11,936,845,340,676
5. Step 5: Solve for x
   x = 11,936,845,340,676/2,255,688
6. Step 6: Final answer
   x = 5,291,886.71