Finding the Third Proportional to 5,977.59 and 8,774.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,977.59 : 8,774.39 = 8,774.39 : x
2. Step 2: Convert to fraction form
   5,977.59/8,774.39 = 8,774.39/x
3. Step 3: Cross multiply
   5,977.59x = 8,774.39 × 8,774.39
4. Step 4: Simplify right side
   5,977.59x = 76,989,930.84
5. Step 5: Solve for x
   x = 76,989,930.84/5,977.59
6. Step 6: Final answer
   x = 12,879.75