Finding the Third Proportional to 1,438,002 and 3,158,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,002 : 3,158,664 = 3,158,664 : x
2. Step 2: Convert to fraction form
   1,438,002/3,158,664 = 3,158,664/x
3. Step 3: Cross multiply
   1,438,002x = 3,158,664 × 3,158,664
4. Step 4: Simplify right side
   1,438,002x = 9,977,158,264,896
5. Step 5: Solve for x
   x = 9,977,158,264,896/1,438,002
6. Step 6: Final answer
   x = 6,938,208.89