Finding the Third Proportional to 4,698.63 and 7,799.73

Step by Step Solution

1. Step 1: Write the proportion equation
   4,698.63 : 7,799.73 = 7,799.73 : x
2. Step 2: Convert to fraction form
   4,698.63/7,799.73 = 7,799.73/x
3. Step 3: Cross multiply
   4,698.63x = 7,799.73 × 7,799.73
4. Step 4: Simplify right side
   4,698.63x = 60,835,795.39
5. Step 5: Solve for x
   x = 60,835,795.39/4,698.63
6. Step 6: Final answer
   x = 12,947.55