Finding the Third Proportional to 1,271,622 and 1,920,393

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,622 : 1,920,393 = 1,920,393 : x
2. Step 2: Convert to fraction form
   1,271,622/1,920,393 = 1,920,393/x
3. Step 3: Cross multiply
   1,271,622x = 1,920,393 × 1,920,393
4. Step 4: Simplify right side
   1,271,622x = 3,687,909,274,449
5. Step 5: Solve for x
   x = 3,687,909,274,449/1,271,622
6. Step 6: Final answer
   x = 2,900,161.58