Finding the Third Proportional to 580,551 and 879,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   580,551 : 879,583.50 = 879,583.50 : x
2. Step 2: Convert to fraction form
   580,551/879,583.50 = 879,583.50/x
3. Step 3: Cross multiply
   580,551x = 879,583.50 × 879,583.50
4. Step 4: Simplify right side
   580,551x = 773,667,133,472.25
5. Step 5: Solve for x
   x = 773,667,133,472.25/580,551
6. Step 6: Final answer
   x = 1,332,642.84