Finding the Third Proportional to 2,154,369 and 3,189,957

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,369 : 3,189,957 = 3,189,957 : x
2. Step 2: Convert to fraction form
   2,154,369/3,189,957 = 3,189,957/x
3. Step 3: Cross multiply
   2,154,369x = 3,189,957 × 3,189,957
4. Step 4: Simplify right side
   2,154,369x = 10,175,825,661,849
5. Step 5: Solve for x
   x = 10,175,825,661,849/2,154,369
6. Step 6: Final answer
   x = 4,723,343.89