Finding the Third Proportional to 281,644.59 and 581,878.69

Step by Step Solution

1. Step 1: Write the proportion equation
   281,644.59 : 581,878.69 = 581,878.69 : x
2. Step 2: Convert to fraction form
   281,644.59/581,878.69 = 581,878.69/x
3. Step 3: Cross multiply
   281,644.59x = 581,878.69 × 581,878.69
4. Step 4: Simplify right side
   281,644.59x = 338,582,806,966.72
5. Step 5: Solve for x
   x = 338,582,806,966.72/281,644.59
6. Step 6: Final answer
   x = 1,202,163.35