Finding the Third Proportional to 618,519 and 1,303,422

Step by Step Solution

1. Step 1: Write the proportion equation
   618,519 : 1,303,422 = 1,303,422 : x
2. Step 2: Convert to fraction form
   618,519/1,303,422 = 1,303,422/x
3. Step 3: Cross multiply
   618,519x = 1,303,422 × 1,303,422
4. Step 4: Simplify right side
   618,519x = 1,698,908,910,084
5. Step 5: Solve for x
   x = 1,698,908,910,084/618,519
6. Step 6: Final answer
   x = 2,746,736.82