Finding the Third Proportional to 7,878.52 and 16,951.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,878.52 : 16,951.78 = 16,951.78 : x
2. Step 2: Convert to fraction form
   7,878.52/16,951.78 = 16,951.78/x
3. Step 3: Cross multiply
   7,878.52x = 16,951.78 × 16,951.78
4. Step 4: Simplify right side
   7,878.52x = 287,362,887.55
5. Step 5: Solve for x
   x = 287,362,887.55/7,878.52
6. Step 6: Final answer
   x = 36,474.24