Finding the Third Proportional to 596,826 and 1,221,231

Step by Step Solution

1. Step 1: Write the proportion equation
   596,826 : 1,221,231 = 1,221,231 : x
2. Step 2: Convert to fraction form
   596,826/1,221,231 = 1,221,231/x
3. Step 3: Cross multiply
   596,826x = 1,221,231 × 1,221,231
4. Step 4: Simplify right side
   596,826x = 1,491,405,155,361
5. Step 5: Solve for x
   x = 1,491,405,155,361/596,826
6. Step 6: Final answer
   x = 2,498,894.41