Finding the Third Proportional to 1,557,072 and 3,354,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,072 : 3,354,228 = 3,354,228 : x
2. Step 2: Convert to fraction form
   1,557,072/3,354,228 = 3,354,228/x
3. Step 3: Cross multiply
   1,557,072x = 3,354,228 × 3,354,228
4. Step 4: Simplify right side
   1,557,072x = 11,250,845,475,984
5. Step 5: Solve for x
   x = 11,250,845,475,984/1,557,072
6. Step 6: Final answer
   x = 7,225,642.41