Finding the Third Proportional to 1,128,290 and 2,462,340

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,290 : 2,462,340 = 2,462,340 : x
2. Step 2: Convert to fraction form
   1,128,290/2,462,340 = 2,462,340/x
3. Step 3: Cross multiply
   1,128,290x = 2,462,340 × 2,462,340
4. Step 4: Simplify right side
   1,128,290x = 6,063,118,275,600
5. Step 5: Solve for x
   x = 6,063,118,275,600/1,128,290
6. Step 6: Final answer
   x = 5,373,723.31