Finding the Third Proportional to 2,452.78 and 5,368.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.78 : 5,368.78 = 5,368.78 : x
2. Step 2: Convert to fraction form
   2,452.78/5,368.78 = 5,368.78/x
3. Step 3: Cross multiply
   2,452.78x = 5,368.78 × 5,368.78
4. Step 4: Simplify right side
   2,452.78x = 28,823,812.11
5. Step 5: Solve for x
   x = 28,823,812.11/2,452.78
6. Step 6: Final answer
   x = 11,751.48