Finding the Third Proportional to 5,267.53 and 8,851.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,267.53 : 8,851.78 = 8,851.78 : x
2. Step 2: Convert to fraction form
   5,267.53/8,851.78 = 8,851.78/x
3. Step 3: Cross multiply
   5,267.53x = 8,851.78 × 8,851.78
4. Step 4: Simplify right side
   5,267.53x = 78,354,031.30
5. Step 5: Solve for x
   x = 78,354,031.30/5,267.53
6. Step 6: Final answer
   x = 14,874.91