Finding the Third Proportional to 2,171,304 and 4,640,782

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,304 : 4,640,782 = 4,640,782 : x
2. Step 2: Convert to fraction form
   2,171,304/4,640,782 = 4,640,782/x
3. Step 3: Cross multiply
   2,171,304x = 4,640,782 × 4,640,782
4. Step 4: Simplify right side
   2,171,304x = 21,536,857,571,524
5. Step 5: Solve for x
   x = 21,536,857,571,524/2,171,304
6. Step 6: Final answer
   x = 9,918,858.70