Finding the Third Proportional to 609,543 and 1,401,867

Step by Step Solution

1. Step 1: Write the proportion equation
   609,543 : 1,401,867 = 1,401,867 : x
2. Step 2: Convert to fraction form
   609,543/1,401,867 = 1,401,867/x
3. Step 3: Cross multiply
   609,543x = 1,401,867 × 1,401,867
4. Step 4: Simplify right side
   609,543x = 1,965,231,085,689
5. Step 5: Solve for x
   x = 1,965,231,085,689/609,543
6. Step 6: Final answer
   x = 3,224,105.74