Finding the Third Proportional to 1,351,401 and 1,820,247

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351,401 : 1,820,247 = 1,820,247 : x
2. Step 2: Convert to fraction form
   1,351,401/1,820,247 = 1,820,247/x
3. Step 3: Cross multiply
   1,351,401x = 1,820,247 × 1,820,247
4. Step 4: Simplify right side
   1,351,401x = 3,313,299,141,009
5. Step 5: Solve for x
   x = 3,313,299,141,009/1,351,401
6. Step 6: Final answer
   x = 2,451,751.29