Finding the Third Proportional to 1,544,178 and 3,387,243

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544,178 : 3,387,243 = 3,387,243 : x
2. Step 2: Convert to fraction form
   1,544,178/3,387,243 = 3,387,243/x
3. Step 3: Cross multiply
   1,544,178x = 3,387,243 × 3,387,243
4. Step 4: Simplify right side
   1,544,178x = 11,473,415,141,049
5. Step 5: Solve for x
   x = 11,473,415,141,049/1,544,178
6. Step 6: Final answer
   x = 7,430,111.78