Finding the Third Proportional to 1,214,544 and 1,815,122

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,544 : 1,815,122 = 1,815,122 : x
2. Step 2: Convert to fraction form
   1,214,544/1,815,122 = 1,815,122/x
3. Step 3: Cross multiply
   1,214,544x = 1,815,122 × 1,815,122
4. Step 4: Simplify right side
   1,214,544x = 3,294,667,874,884
5. Step 5: Solve for x
   x = 3,294,667,874,884/1,214,544
6. Step 6: Final answer
   x = 2,712,678.89