Finding the Third Proportional to 5,027.75 and 7,215.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,027.75 : 7,215.25 = 7,215.25 : x
2. Step 2: Convert to fraction form
   5,027.75/7,215.25 = 7,215.25/x
3. Step 3: Cross multiply
   5,027.75x = 7,215.25 × 7,215.25
4. Step 4: Simplify right side
   5,027.75x = 52,059,832.56
5. Step 5: Solve for x
   x = 52,059,832.56/5,027.75
6. Step 6: Final answer
   x = 10,354.50