Finding the Third Proportional to 1,282,560 and 2,030,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,560 : 2,030,790 = 2,030,790 : x
2. Step 2: Convert to fraction form
   1,282,560/2,030,790 = 2,030,790/x
3. Step 3: Cross multiply
   1,282,560x = 2,030,790 × 2,030,790
4. Step 4: Simplify right side
   1,282,560x = 4,124,108,024,100
5. Step 5: Solve for x
   x = 4,124,108,024,100/1,282,560
6. Step 6: Final answer
   x = 3,215,528.34