Finding the Third Proportional to 1,209,226 and 2,636,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,226 : 2,636,180 = 2,636,180 : x
2. Step 2: Convert to fraction form
   1,209,226/2,636,180 = 2,636,180/x
3. Step 3: Cross multiply
   1,209,226x = 2,636,180 × 2,636,180
4. Step 4: Simplify right side
   1,209,226x = 6,949,444,992,400
5. Step 5: Solve for x
   x = 6,949,444,992,400/1,209,226
6. Step 6: Final answer
   x = 5,747,019.16