Finding the Third Proportional to 1,351,408 and 1,820,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351,408 : 1,820,258 = 1,820,258 : x
2. Step 2: Convert to fraction form
   1,351,408/1,820,258 = 1,820,258/x
3. Step 3: Cross multiply
   1,351,408x = 1,820,258 × 1,820,258
4. Step 4: Simplify right side
   1,351,408x = 3,313,339,186,564
5. Step 5: Solve for x
   x = 3,313,339,186,564/1,351,408
6. Step 6: Final answer
   x = 2,451,768.22