Finding the Third Proportional to 1,558,416 and 2,331,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558,416 : 2,331,408 = 2,331,408 : x
2. Step 2: Convert to fraction form
   1,558,416/2,331,408 = 2,331,408/x
3. Step 3: Cross multiply
   1,558,416x = 2,331,408 × 2,331,408
4. Step 4: Simplify right side
   1,558,416x = 5,435,463,262,464
5. Step 5: Solve for x
   x = 5,435,463,262,464/1,558,416
6. Step 6: Final answer
   x = 3,487,812.79