Finding the Third Proportional to 1,209,896 and 1,644,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,896 : 1,644,148 = 1,644,148 : x
2. Step 2: Convert to fraction form
   1,209,896/1,644,148 = 1,644,148/x
3. Step 3: Cross multiply
   1,209,896x = 1,644,148 × 1,644,148
4. Step 4: Simplify right side
   1,209,896x = 2,703,222,645,904
5. Step 5: Solve for x
   x = 2,703,222,645,904/1,209,896
6. Step 6: Final answer
   x = 2,234,260.34