Finding the Third Proportional to 2,116,064 and 3,218,384

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,064 : 3,218,384 = 3,218,384 : x
2. Step 2: Convert to fraction form
   2,116,064/3,218,384 = 3,218,384/x
3. Step 3: Cross multiply
   2,116,064x = 3,218,384 × 3,218,384
4. Step 4: Simplify right side
   2,116,064x = 10,357,995,571,456
5. Step 5: Solve for x
   x = 10,357,995,571,456/2,116,064
6. Step 6: Final answer
   x = 4,894,934.92