Finding the Third Proportional to 993,442 and 2,159,738

Step by Step Solution

1. Step 1: Write the proportion equation
   993,442 : 2,159,738 = 2,159,738 : x
2. Step 2: Convert to fraction form
   993,442/2,159,738 = 2,159,738/x
3. Step 3: Cross multiply
   993,442x = 2,159,738 × 2,159,738
4. Step 4: Simplify right side
   993,442x = 4,664,468,228,644
5. Step 5: Solve for x
   x = 4,664,468,228,644/993,442
6. Step 6: Final answer
   x = 4,695,259.74