Finding the Third Proportional to 678,906 and 1,483,938

Step by Step Solution

1. Step 1: Write the proportion equation
   678,906 : 1,483,938 = 1,483,938 : x
2. Step 2: Convert to fraction form
   678,906/1,483,938 = 1,483,938/x
3. Step 3: Cross multiply
   678,906x = 1,483,938 × 1,483,938
4. Step 4: Simplify right side
   678,906x = 2,202,071,987,844
5. Step 5: Solve for x
   x = 2,202,071,987,844/678,906
6. Step 6: Final answer
   x = 3,243,559.47