Finding the Third Proportional to 987,021 and 2,123,766

Step by Step Solution

1. Step 1: Write the proportion equation
   987,021 : 2,123,766 = 2,123,766 : x
2. Step 2: Convert to fraction form
   987,021/2,123,766 = 2,123,766/x
3. Step 3: Cross multiply
   987,021x = 2,123,766 × 2,123,766
4. Step 4: Simplify right side
   987,021x = 4,510,382,022,756
5. Step 5: Solve for x
   x = 4,510,382,022,756/987,021
6. Step 6: Final answer
   x = 4,569,692.06