Finding the Third Proportional to 1,351,405 and 1,820,253

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351,405 : 1,820,253 = 1,820,253 : x
2. Step 2: Convert to fraction form
   1,351,405/1,820,253 = 1,820,253/x
3. Step 3: Cross multiply
   1,351,405x = 1,820,253 × 1,820,253
4. Step 4: Simplify right side
   1,351,405x = 3,313,320,984,009
5. Step 5: Solve for x
   x = 3,313,320,984,009/1,351,405
6. Step 6: Final answer
   x = 2,451,760.19