Finding the Third Proportional to 7,851.94 and 16,789.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,851.94 : 16,789.78 = 16,789.78 : x
2. Step 2: Convert to fraction form
   7,851.94/16,789.78 = 16,789.78/x
3. Step 3: Cross multiply
   7,851.94x = 16,789.78 × 16,789.78
4. Step 4: Simplify right side
   7,851.94x = 281,896,754.42
5. Step 5: Solve for x
   x = 281,896,754.42/7,851.94
6. Step 6: Final answer
   x = 35,901.55