Finding the Third Proportional to 588,736 and 1,280,560

Step by Step Solution

1. Step 1: Write the proportion equation
   588,736 : 1,280,560 = 1,280,560 : x
2. Step 2: Convert to fraction form
   588,736/1,280,560 = 1,280,560/x
3. Step 3: Cross multiply
   588,736x = 1,280,560 × 1,280,560
4. Step 4: Simplify right side
   588,736x = 1,639,833,913,600
5. Step 5: Solve for x
   x = 1,639,833,913,600/588,736
6. Step 6: Final answer
   x = 2,785,346.77