Finding the Third Proportional to 911,271 and 2,109,612

Step by Step Solution

1. Step 1: Write the proportion equation
   911,271 : 2,109,612 = 2,109,612 : x
2. Step 2: Convert to fraction form
   911,271/2,109,612 = 2,109,612/x
3. Step 3: Cross multiply
   911,271x = 2,109,612 × 2,109,612
4. Step 4: Simplify right side
   911,271x = 4,450,462,790,544
5. Step 5: Solve for x
   x = 4,450,462,790,544/911,271
6. Step 6: Final answer
   x = 4,883,797.24