Finding the Third Proportional to 1,645,144 and 2,241,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,144 : 2,241,228 = 2,241,228 : x
2. Step 2: Convert to fraction form
   1,645,144/2,241,228 = 2,241,228/x
3. Step 3: Cross multiply
   1,645,144x = 2,241,228 × 2,241,228
4. Step 4: Simplify right side
   1,645,144x = 5,023,102,947,984
5. Step 5: Solve for x
   x = 5,023,102,947,984/1,645,144
6. Step 6: Final answer
   x = 3,053,290.74