Finding the Third Proportional to 1,201,354 and 2,135,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,354 : 2,135,612 = 2,135,612 : x
2. Step 2: Convert to fraction form
   1,201,354/2,135,612 = 2,135,612/x
3. Step 3: Cross multiply
   1,201,354x = 2,135,612 × 2,135,612
4. Step 4: Simplify right side
   1,201,354x = 4,560,838,614,544
5. Step 5: Solve for x
   x = 4,560,838,614,544/1,201,354
6. Step 6: Final answer
   x = 3,796,415.22