Finding the Third Proportional to 5,493.75 and 8,137.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,493.75 : 8,137.88 = 8,137.88 : x
2. Step 2: Convert to fraction form
   5,493.75/8,137.88 = 8,137.88/x
3. Step 3: Cross multiply
   5,493.75x = 8,137.88 × 8,137.88
4. Step 4: Simplify right side
   5,493.75x = 66,225,009.52
5. Step 5: Solve for x
   x = 66,225,009.52/5,493.75
6. Step 6: Final answer
   x = 12,054.61