Finding the Third Proportional to 2,154,371 and 3,189,959

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,371 : 3,189,959 = 3,189,959 : x
2. Step 2: Convert to fraction form
   2,154,371/3,189,959 = 3,189,959/x
3. Step 3: Cross multiply
   2,154,371x = 3,189,959 × 3,189,959
4. Step 4: Simplify right side
   2,154,371x = 10,175,838,421,681
5. Step 5: Solve for x
   x = 10,175,838,421,681/2,154,371
6. Step 6: Final answer
   x = 4,723,345.43