Finding the Third Proportional to 1,311,408 and 2,023,175

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311,408 : 2,023,175 = 2,023,175 : x
2. Step 2: Convert to fraction form
   1,311,408/2,023,175 = 2,023,175/x
3. Step 3: Cross multiply
   1,311,408x = 2,023,175 × 2,023,175
4. Step 4: Simplify right side
   1,311,408x = 4,093,237,080,625
5. Step 5: Solve for x
   x = 4,093,237,080,625/1,311,408
6. Step 6: Final answer
   x = 3,121,253.71