Finding the Third Proportional to 2,117,384 and 4,997,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,384 : 4,997,640 = 4,997,640 : x
2. Step 2: Convert to fraction form
   2,117,384/4,997,640 = 4,997,640/x
3. Step 3: Cross multiply
   2,117,384x = 4,997,640 × 4,997,640
4. Step 4: Simplify right side
   2,117,384x = 24,976,405,569,600
5. Step 5: Solve for x
   x = 24,976,405,569,600/2,117,384
6. Step 6: Final answer
   x = 11,795,879.05