Finding the Third Proportional to 1,281,185 and 2,720,401

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,185 : 2,720,401 = 2,720,401 : x
2. Step 2: Convert to fraction form
   1,281,185/2,720,401 = 2,720,401/x
3. Step 3: Cross multiply
   1,281,185x = 2,720,401 × 2,720,401
4. Step 4: Simplify right side
   1,281,185x = 7,400,581,600,801
5. Step 5: Solve for x
   x = 7,400,581,600,801/1,281,185
6. Step 6: Final answer
   x = 5,776,356.73