Finding the Third Proportional to 1,315,290 and 2,826,385

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,290 : 2,826,385 = 2,826,385 : x
2. Step 2: Convert to fraction form
   1,315,290/2,826,385 = 2,826,385/x
3. Step 3: Cross multiply
   1,315,290x = 2,826,385 × 2,826,385
4. Step 4: Simplify right side
   1,315,290x = 7,988,452,168,225
5. Step 5: Solve for x
   x = 7,988,452,168,225/1,315,290
6. Step 6: Final answer
   x = 6,073,529.16