Finding the Third Proportional to 1,373,680 and 3,021,419

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,680 : 3,021,419 = 3,021,419 : x
2. Step 2: Convert to fraction form
   1,373,680/3,021,419 = 3,021,419/x
3. Step 3: Cross multiply
   1,373,680x = 3,021,419 × 3,021,419
4. Step 4: Simplify right side
   1,373,680x = 9,128,972,773,561
5. Step 5: Solve for x
   x = 9,128,972,773,561/1,373,680
6. Step 6: Final answer
   x = 6,645,632.73