Finding the Third Proportional to 1,267,521 and 2,818,401

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,521 : 2,818,401 = 2,818,401 : x
2. Step 2: Convert to fraction form
   1,267,521/2,818,401 = 2,818,401/x
3. Step 3: Cross multiply
   1,267,521x = 2,818,401 × 2,818,401
4. Step 4: Simplify right side
   1,267,521x = 7,943,384,196,801
5. Step 5: Solve for x
   x = 7,943,384,196,801/1,267,521
6. Step 6: Final answer
   x = 6,266,865.95