Finding the Third Proportional to 20,590.45 and 30,883.78

Step by Step Solution

1. Step 1: Write the proportion equation
   20,590.45 : 30,883.78 = 30,883.78 : x
2. Step 2: Convert to fraction form
   20,590.45/30,883.78 = 30,883.78/x
3. Step 3: Cross multiply
   20,590.45x = 30,883.78 × 30,883.78
4. Step 4: Simplify right side
   20,590.45x = 953,807,944.30
5. Step 5: Solve for x
   x = 953,807,944.30/20,590.45
6. Step 6: Final answer
   x = 46,322.82