Finding the Third Proportional to 2,187,864 and 3,311,982

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,864 : 3,311,982 = 3,311,982 : x
2. Step 2: Convert to fraction form
   2,187,864/3,311,982 = 3,311,982/x
3. Step 3: Cross multiply
   2,187,864x = 3,311,982 × 3,311,982
4. Step 4: Simplify right side
   2,187,864x = 10,969,224,768,324
5. Step 5: Solve for x
   x = 10,969,224,768,324/2,187,864
6. Step 6: Final answer
   x = 5,013,668.48