Finding the Third Proportional to 598,704 and 1,280,424

Step by Step Solution

1. Step 1: Write the proportion equation
   598,704 : 1,280,424 = 1,280,424 : x
2. Step 2: Convert to fraction form
   598,704/1,280,424 = 1,280,424/x
3. Step 3: Cross multiply
   598,704x = 1,280,424 × 1,280,424
4. Step 4: Simplify right side
   598,704x = 1,639,485,619,776
5. Step 5: Solve for x
   x = 1,639,485,619,776/598,704
6. Step 6: Final answer
   x = 2,738,390.96