Finding the Third Proportional to 1,271,592 and 1,782,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,592 : 1,782,396 = 1,782,396 : x
2. Step 2: Convert to fraction form
   1,271,592/1,782,396 = 1,782,396/x
3. Step 3: Cross multiply
   1,271,592x = 1,782,396 × 1,782,396
4. Step 4: Simplify right side
   1,271,592x = 3,176,935,500,816
5. Step 5: Solve for x
   x = 3,176,935,500,816/1,271,592
6. Step 6: Final answer
   x = 2,498,392.17