Finding the Third Proportional to 1,538,646 and 2,388,627

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,646 : 2,388,627 = 2,388,627 : x
2. Step 2: Convert to fraction form
   1,538,646/2,388,627 = 2,388,627/x
3. Step 3: Cross multiply
   1,538,646x = 2,388,627 × 2,388,627
4. Step 4: Simplify right side
   1,538,646x = 5,705,538,945,129
5. Step 5: Solve for x
   x = 5,705,538,945,129/1,538,646
6. Step 6: Final answer
   x = 3,708,155.71