Finding the Third Proportional to 1,271,613 and 1,782,426

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,613 : 1,782,426 = 1,782,426 : x
2. Step 2: Convert to fraction form
   1,271,613/1,782,426 = 1,782,426/x
3. Step 3: Cross multiply
   1,271,613x = 1,782,426 × 1,782,426
4. Step 4: Simplify right side
   1,271,613x = 3,177,042,445,476
5. Step 5: Solve for x
   x = 3,177,042,445,476/1,271,613
6. Step 6: Final answer
   x = 2,498,435.02