Finding the Third Proportional to 2,258,323.50 and 3,219,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258,323.50 : 3,219,288 = 3,219,288 : x
2. Step 2: Convert to fraction form
   2,258,323.50/3,219,288 = 3,219,288/x
3. Step 3: Cross multiply
   2,258,323.50x = 3,219,288 × 3,219,288
4. Step 4: Simplify right side
   2,258,323.50x = 10,363,815,226,944
5. Step 5: Solve for x
   x = 10,363,815,226,944/2,258,323.50
6. Step 6: Final answer
   x = 4,589,163.26