Finding the Third Proportional to 581,576 and 1,280,224

Step by Step Solution

1. Step 1: Write the proportion equation
   581,576 : 1,280,224 = 1,280,224 : x
2. Step 2: Convert to fraction form
   581,576/1,280,224 = 1,280,224/x
3. Step 3: Cross multiply
   581,576x = 1,280,224 × 1,280,224
4. Step 4: Simplify right side
   581,576x = 1,638,973,490,176
5. Step 5: Solve for x
   x = 1,638,973,490,176/581,576
6. Step 6: Final answer
   x = 2,818,158.74