Finding the Third Proportional to 2,106,999 and 4,546,422

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,999 : 4,546,422 = 4,546,422 : x
2. Step 2: Convert to fraction form
   2,106,999/4,546,422 = 4,546,422/x
3. Step 3: Cross multiply
   2,106,999x = 4,546,422 × 4,546,422
4. Step 4: Simplify right side
   2,106,999x = 20,669,953,002,084
5. Step 5: Solve for x
   x = 20,669,953,002,084/2,106,999
6. Step 6: Final answer
   x = 9,810,138.97