Finding the Third Proportional to 842,210 and 1,826,305

Step by Step Solution

1. Step 1: Write the proportion equation
   842,210 : 1,826,305 = 1,826,305 : x
2. Step 2: Convert to fraction form
   842,210/1,826,305 = 1,826,305/x
3. Step 3: Cross multiply
   842,210x = 1,826,305 × 1,826,305
4. Step 4: Simplify right side
   842,210x = 3,335,389,953,025
5. Step 5: Solve for x
   x = 3,335,389,953,025/842,210
6. Step 6: Final answer
   x = 3,960,283.01