Finding the Third Proportional to 278,118 and 595,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   278,118 : 595,597.50 = 595,597.50 : x
2. Step 2: Convert to fraction form
   278,118/595,597.50 = 595,597.50/x
3. Step 3: Cross multiply
   278,118x = 595,597.50 × 595,597.50
4. Step 4: Simplify right side
   278,118x = 354,736,382,006.25
5. Step 5: Solve for x
   x = 354,736,382,006.25/278,118
6. Step 6: Final answer
   x = 1,275,488.76