Finding the Third Proportional to 687,660 and 1,463,898

Step by Step Solution

1. Step 1: Write the proportion equation
   687,660 : 1,463,898 = 1,463,898 : x
2. Step 2: Convert to fraction form
   687,660/1,463,898 = 1,463,898/x
3. Step 3: Cross multiply
   687,660x = 1,463,898 × 1,463,898
4. Step 4: Simplify right side
   687,660x = 2,142,997,354,404
5. Step 5: Solve for x
   x = 2,142,997,354,404/687,660
6. Step 6: Final answer
   x = 3,116,361.80