Finding the Third Proportional to 2,115,300 and 3,222,518

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,300 : 3,222,518 = 3,222,518 : x
2. Step 2: Convert to fraction form
   2,115,300/3,222,518 = 3,222,518/x
3. Step 3: Cross multiply
   2,115,300x = 3,222,518 × 3,222,518
4. Step 4: Simplify right side
   2,115,300x = 10,384,622,260,324
5. Step 5: Solve for x
   x = 10,384,622,260,324/2,115,300
6. Step 6: Final answer
   x = 4,909,290.53