Finding the Third Proportional to 2,021,774 and 4,447,900

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,774 : 4,447,900 = 4,447,900 : x
2. Step 2: Convert to fraction form
   2,021,774/4,447,900 = 4,447,900/x
3. Step 3: Cross multiply
   2,021,774x = 4,447,900 × 4,447,900
4. Step 4: Simplify right side
   2,021,774x = 19,783,814,410,000
5. Step 5: Solve for x
   x = 19,783,814,410,000/2,021,774
6. Step 6: Final answer
   x = 9,785,373.84