Finding the Third Proportional to 20,548.69 and 31,433.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,548.69 : 31,433.06 = 31,433.06 : x
2. Step 2: Convert to fraction form
   20,548.69/31,433.06 = 31,433.06/x
3. Step 3: Cross multiply
   20,548.69x = 31,433.06 × 31,433.06
4. Step 4: Simplify right side
   20,548.69x = 988,037,418.13
5. Step 5: Solve for x
   x = 988,037,418.13/20,548.69
6. Step 6: Final answer
   x = 48,082.75