Finding the Third Proportional to 2,670,155 and 4,131,945

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670,155 : 4,131,945 = 4,131,945 : x
2. Step 2: Convert to fraction form
   2,670,155/4,131,945 = 4,131,945/x
3. Step 3: Cross multiply
   2,670,155x = 4,131,945 × 4,131,945
4. Step 4: Simplify right side
   2,670,155x = 17,072,969,483,025
5. Step 5: Solve for x
   x = 17,072,969,483,025/2,670,155
6. Step 6: Final answer
   x = 6,393,999.41