Finding the Third Proportional to 2,139,876 and 3,324,090

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,876 : 3,324,090 = 3,324,090 : x
2. Step 2: Convert to fraction form
   2,139,876/3,324,090 = 3,324,090/x
3. Step 3: Cross multiply
   2,139,876x = 3,324,090 × 3,324,090
4. Step 4: Simplify right side
   2,139,876x = 11,049,574,328,100
5. Step 5: Solve for x
   x = 11,049,574,328,100/2,139,876
6. Step 6: Final answer
   x = 5,163,651.69