Finding the Third Proportional to 1,448,378 and 2,191,205

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448,378 : 2,191,205 = 2,191,205 : x
2. Step 2: Convert to fraction form
   1,448,378/2,191,205 = 2,191,205/x
3. Step 3: Cross multiply
   1,448,378x = 2,191,205 × 2,191,205
4. Step 4: Simplify right side
   1,448,378x = 4,801,379,352,025
5. Step 5: Solve for x
   x = 4,801,379,352,025/1,448,378
6. Step 6: Final answer
   x = 3,315,004.34