Finding the Third Proportional to 1,271,420 and 1,920,091

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,420 : 1,920,091 = 1,920,091 : x
2. Step 2: Convert to fraction form
   1,271,420/1,920,091 = 1,920,091/x
3. Step 3: Cross multiply
   1,271,420x = 1,920,091 × 1,920,091
4. Step 4: Simplify right side
   1,271,420x = 3,686,749,448,281
5. Step 5: Solve for x
   x = 3,686,749,448,281/1,271,420
6. Step 6: Final answer
   x = 2,899,710.13