Finding the Third Proportional to 278,281.50 and 595,920

Step by Step Solution

1. Step 1: Write the proportion equation
   278,281.50 : 595,920 = 595,920 : x
2. Step 2: Convert to fraction form
   278,281.50/595,920 = 595,920/x
3. Step 3: Cross multiply
   278,281.50x = 595,920 × 595,920
4. Step 4: Simplify right side
   278,281.50x = 355,120,646,400
5. Step 5: Solve for x
   x = 355,120,646,400/278,281.50
6. Step 6: Final answer
   x = 1,276,120.21