Finding the Third Proportional to 1,980,289 and 4,244,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980,289 : 4,244,790 = 4,244,790 : x
2. Step 2: Convert to fraction form
   1,980,289/4,244,790 = 4,244,790/x
3. Step 3: Cross multiply
   1,980,289x = 4,244,790 × 4,244,790
4. Step 4: Simplify right side
   1,980,289x = 18,018,242,144,100
5. Step 5: Solve for x
   x = 18,018,242,144,100/1,980,289
6. Step 6: Final answer
   x = 9,098,794.24