Finding the Third Proportional to 1,436,644 and 2,151,009

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436,644 : 2,151,009 = 2,151,009 : x
2. Step 2: Convert to fraction form
   1,436,644/2,151,009 = 2,151,009/x
3. Step 3: Cross multiply
   1,436,644x = 2,151,009 × 2,151,009
4. Step 4: Simplify right side
   1,436,644x = 4,626,839,718,081
5. Step 5: Solve for x
   x = 4,626,839,718,081/1,436,644
6. Step 6: Final answer
   x = 3,220,588.90