Finding the Third Proportional to 1,508,228 and 3,557,345

Step by Step Solution

1. Step 1: Write the proportion equation
   1,508,228 : 3,557,345 = 3,557,345 : x
2. Step 2: Convert to fraction form
   1,508,228/3,557,345 = 3,557,345/x
3. Step 3: Cross multiply
   1,508,228x = 3,557,345 × 3,557,345
4. Step 4: Simplify right side
   1,508,228x = 12,654,703,449,025
5. Step 5: Solve for x
   x = 12,654,703,449,025/1,508,228
6. Step 6: Final answer
   x = 8,390,444.58