Finding the Third Proportional to 20,557.13 and 30,754.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,557.13 : 30,754.69 = 30,754.69 : x
2. Step 2: Convert to fraction form
   20,557.13/30,754.69 = 30,754.69/x
3. Step 3: Cross multiply
   20,557.13x = 30,754.69 × 30,754.69
4. Step 4: Simplify right side
   20,557.13x = 945,850,803.22
5. Step 5: Solve for x
   x = 945,850,803.22/20,557.13
6. Step 6: Final answer
   x = 46,010.85