Finding the Third Proportional to 1,979,442 and 4,413,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979,442 : 4,413,780 = 4,413,780 : x
2. Step 2: Convert to fraction form
   1,979,442/4,413,780 = 4,413,780/x
3. Step 3: Cross multiply
   1,979,442x = 4,413,780 × 4,413,780
4. Step 4: Simplify right side
   1,979,442x = 19,481,453,888,400
5. Step 5: Solve for x
   x = 19,481,453,888,400/1,979,442
6. Step 6: Final answer
   x = 9,841,891.75