Finding the Third Proportional to 5,010.75 and 7,788.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,010.75 : 7,788.94 = 7,788.94 : x
2. Step 2: Convert to fraction form
   5,010.75/7,788.94 = 7,788.94/x
3. Step 3: Cross multiply
   5,010.75x = 7,788.94 × 7,788.94
4. Step 4: Simplify right side
   5,010.75x = 60,667,547.38
5. Step 5: Solve for x
   x = 60,667,547.38/5,010.75
6. Step 6: Final answer
   x = 12,107.48