Finding the Third Proportional to 20,548.69 and 31,483.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,548.69 : 31,483.69 = 31,483.69 : x
2. Step 2: Convert to fraction form
   20,548.69/31,483.69 = 31,483.69/x
3. Step 3: Cross multiply
   20,548.69x = 31,483.69 × 31,483.69
4. Step 4: Simplify right side
   20,548.69x = 991,222,578.60
5. Step 5: Solve for x
   x = 991,222,578.60/20,548.69
6. Step 6: Final answer
   x = 48,237.76