Finding the Third Proportional to 1,172,223 and 1,826,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,223 : 1,826,820 = 1,826,820 : x
2. Step 2: Convert to fraction form
   1,172,223/1,826,820 = 1,826,820/x
3. Step 3: Cross multiply
   1,172,223x = 1,826,820 × 1,826,820
4. Step 4: Simplify right side
   1,172,223x = 3,337,271,312,400
5. Step 5: Solve for x
   x = 3,337,271,312,400/1,172,223
6. Step 6: Final answer
   x = 2,846,959.42