Finding the Third Proportional to 637,764 and 1,387,622

Step by Step Solution

1. Step 1: Write the proportion equation
   637,764 : 1,387,622 = 1,387,622 : x
2. Step 2: Convert to fraction form
   637,764/1,387,622 = 1,387,622/x
3. Step 3: Cross multiply
   637,764x = 1,387,622 × 1,387,622
4. Step 4: Simplify right side
   637,764x = 1,925,494,814,884
5. Step 5: Solve for x
   x = 1,925,494,814,884/637,764
6. Step 6: Final answer
   x = 3,019,133.75