Finding the Third Proportional to 1,271,428 and 2,694,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,428 : 2,694,488 = 2,694,488 : x
2. Step 2: Convert to fraction form
   1,271,428/2,694,488 = 2,694,488/x
3. Step 3: Cross multiply
   1,271,428x = 2,694,488 × 2,694,488
4. Step 4: Simplify right side
   1,271,428x = 7,260,265,582,144
5. Step 5: Solve for x
   x = 7,260,265,582,144/1,271,428
6. Step 6: Final answer
   x = 5,710,323.81