Finding the Third Proportional to 3,458,459 and 5,198,826

Step by Step Solution

1. Step 1: Write the proportion equation
   3,458,459 : 5,198,826 = 5,198,826 : x
2. Step 2: Convert to fraction form
   3,458,459/5,198,826 = 5,198,826/x
3. Step 3: Cross multiply
   3,458,459x = 5,198,826 × 5,198,826
4. Step 4: Simplify right side
   3,458,459x = 27,027,791,778,276
5. Step 5: Solve for x
   x = 27,027,791,778,276/3,458,459
6. Step 6: Final answer
   x = 7,814,981.12