Finding the Third Proportional to 1,438,908 and 3,108,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,908 : 3,108,360 = 3,108,360 : x
2. Step 2: Convert to fraction form
   1,438,908/3,108,360 = 3,108,360/x
3. Step 3: Cross multiply
   1,438,908x = 3,108,360 × 3,108,360
4. Step 4: Simplify right side
   1,438,908x = 9,661,901,889,600
5. Step 5: Solve for x
   x = 9,661,901,889,600/1,438,908
6. Step 6: Final answer
   x = 6,714,746.11