Finding the Third Proportional to 2,159,122 and 4,650,393

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,122 : 4,650,393 = 4,650,393 : x
2. Step 2: Convert to fraction form
   2,159,122/4,650,393 = 4,650,393/x
3. Step 3: Cross multiply
   2,159,122x = 4,650,393 × 4,650,393
4. Step 4: Simplify right side
   2,159,122x = 21,626,155,054,449
5. Step 5: Solve for x
   x = 21,626,155,054,449/2,159,122
6. Step 6: Final answer
   x = 10,016,180.21