Finding the Third Proportional to 636,266 and 1,363,610

Step by Step Solution

1. Step 1: Write the proportion equation
   636,266 : 1,363,610 = 1,363,610 : x
2. Step 2: Convert to fraction form
   636,266/1,363,610 = 1,363,610/x
3. Step 3: Cross multiply
   636,266x = 1,363,610 × 1,363,610
4. Step 4: Simplify right side
   636,266x = 1,859,432,232,100
5. Step 5: Solve for x
   x = 1,859,432,232,100/636,266
6. Step 6: Final answer
   x = 2,922,413.32