Finding the Third Proportional to 993,123 and 2,105,412

Step by Step Solution

1. Step 1: Write the proportion equation
   993,123 : 2,105,412 = 2,105,412 : x
2. Step 2: Convert to fraction form
   993,123/2,105,412 = 2,105,412/x
3. Step 3: Cross multiply
   993,123x = 2,105,412 × 2,105,412
4. Step 4: Simplify right side
   993,123x = 4,432,759,689,744
5. Step 5: Solve for x
   x = 4,432,759,689,744/993,123
6. Step 6: Final answer
   x = 4,463,454.87