Finding the Third Proportional to 2,021,769 and 4,447,890

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,769 : 4,447,890 = 4,447,890 : x
2. Step 2: Convert to fraction form
   2,021,769/4,447,890 = 4,447,890/x
3. Step 3: Cross multiply
   2,021,769x = 4,447,890 × 4,447,890
4. Step 4: Simplify right side
   2,021,769x = 19,783,725,452,100
5. Step 5: Solve for x
   x = 19,783,725,452,100/2,021,769
6. Step 6: Final answer
   x = 9,785,354.04