Finding the Third Proportional to 1,271,574 and 1,920,321

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,574 : 1,920,321 = 1,920,321 : x
2. Step 2: Convert to fraction form
   1,271,574/1,920,321 = 1,920,321/x
3. Step 3: Cross multiply
   1,271,574x = 1,920,321 × 1,920,321
4. Step 4: Simplify right side
   1,271,574x = 3,687,632,743,041
5. Step 5: Solve for x
   x = 3,687,632,743,041/1,271,574
6. Step 6: Final answer
   x = 2,900,053.59