Finding the Third Proportional to 1,380,852 and 1,865,622

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,852 : 1,865,622 = 1,865,622 : x
2. Step 2: Convert to fraction form
   1,380,852/1,865,622 = 1,865,622/x
3. Step 3: Cross multiply
   1,380,852x = 1,865,622 × 1,865,622
4. Step 4: Simplify right side
   1,380,852x = 3,480,545,446,884
5. Step 5: Solve for x
   x = 3,480,545,446,884/1,380,852
6. Step 6: Final answer
   x = 2,520,578.20