Finding the Third Proportional to 9,738.56 and 20,970.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,738.56 : 20,970.56 = 20,970.56 : x
2. Step 2: Convert to fraction form
   9,738.56/20,970.56 = 20,970.56/x
3. Step 3: Cross multiply
   9,738.56x = 20,970.56 × 20,970.56
4. Step 4: Simplify right side
   9,738.56x = 439,764,491.57
5. Step 5: Solve for x
   x = 439,764,491.57/9,738.56
6. Step 6: Final answer
   x = 45,157.02