Finding the Third Proportional to 1,427,360 and 3,138,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,360 : 3,138,616 = 3,138,616 : x
2. Step 2: Convert to fraction form
   1,427,360/3,138,616 = 3,138,616/x
3. Step 3: Cross multiply
   1,427,360x = 3,138,616 × 3,138,616
4. Step 4: Simplify right side
   1,427,360x = 9,850,910,395,456
5. Step 5: Solve for x
   x = 9,850,910,395,456/1,427,360
6. Step 6: Final answer
   x = 6,901,489.74