Finding the Third Proportional to 609,545 and 1,401,872

Step by Step Solution

1. Step 1: Write the proportion equation
   609,545 : 1,401,872 = 1,401,872 : x
2. Step 2: Convert to fraction form
   609,545/1,401,872 = 1,401,872/x
3. Step 3: Cross multiply
   609,545x = 1,401,872 × 1,401,872
4. Step 4: Simplify right side
   609,545x = 1,965,245,104,384
5. Step 5: Solve for x
   x = 1,965,245,104,384/609,545
6. Step 6: Final answer
   x = 3,224,118.16