Finding the Third Proportional to 4,767.45 and 9,970.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,767.45 : 9,970.59 = 9,970.59 : x
2. Step 2: Convert to fraction form
   4,767.45/9,970.59 = 9,970.59/x
3. Step 3: Cross multiply
   4,767.45x = 9,970.59 × 9,970.59
4. Step 4: Simplify right side
   4,767.45x = 99,412,739.73
5. Step 5: Solve for x
   x = 99,412,739.73/4,767.45
6. Step 6: Final answer
   x = 20,852.39