Finding the Third Proportional to 1,338,806 and 2,942,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,806 : 2,942,968 = 2,942,968 : x
2. Step 2: Convert to fraction form
   1,338,806/2,942,968 = 2,942,968/x
3. Step 3: Cross multiply
   1,338,806x = 2,942,968 × 2,942,968
4. Step 4: Simplify right side
   1,338,806x = 8,661,060,649,024
5. Step 5: Solve for x
   x = 8,661,060,649,024/1,338,806
6. Step 6: Final answer
   x = 6,469,242.48