Finding the Third Proportional to 1,416,122 and 2,164,821

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416,122 : 2,164,821 = 2,164,821 : x
2. Step 2: Convert to fraction form
   1,416,122/2,164,821 = 2,164,821/x
3. Step 3: Cross multiply
   1,416,122x = 2,164,821 × 2,164,821
4. Step 4: Simplify right side
   1,416,122x = 4,686,449,962,041
5. Step 5: Solve for x
   x = 4,686,449,962,041/1,416,122
6. Step 6: Final answer
   x = 3,309,354.68