Finding the Third Proportional to 1,214,328 and 1,811,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,328 : 1,811,640 = 1,811,640 : x
2. Step 2: Convert to fraction form
   1,214,328/1,811,640 = 1,811,640/x
3. Step 3: Cross multiply
   1,214,328x = 1,811,640 × 1,811,640
4. Step 4: Simplify right side
   1,214,328x = 3,282,039,489,600
5. Step 5: Solve for x
   x = 3,282,039,489,600/1,214,328
6. Step 6: Final answer
   x = 2,702,761.93