Finding the Third Proportional to 1,388,146 and 2,099,714

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,146 : 2,099,714 = 2,099,714 : x
2. Step 2: Convert to fraction form
   1,388,146/2,099,714 = 2,099,714/x
3. Step 3: Cross multiply
   1,388,146x = 2,099,714 × 2,099,714
4. Step 4: Simplify right side
   1,388,146x = 4,408,798,881,796
5. Step 5: Solve for x
   x = 4,408,798,881,796/1,388,146
6. Step 6: Final answer
   x = 3,176,033.99