Finding the Third Proportional to 938,688 and 1,993,728

Step by Step Solution

1. Step 1: Write the proportion equation
   938,688 : 1,993,728 = 1,993,728 : x
2. Step 2: Convert to fraction form
   938,688/1,993,728 = 1,993,728/x
3. Step 3: Cross multiply
   938,688x = 1,993,728 × 1,993,728
4. Step 4: Simplify right side
   938,688x = 3,974,951,337,984
5. Step 5: Solve for x
   x = 3,974,951,337,984/938,688
6. Step 6: Final answer
   x = 4,234,582.03