Finding the Third Proportional to 20,035.69 and 31,147.03

Step by Step Solution

1. Step 1: Write the proportion equation
   20,035.69 : 31,147.03 = 31,147.03 : x
2. Step 2: Convert to fraction form
   20,035.69/31,147.03 = 31,147.03/x
3. Step 3: Cross multiply
   20,035.69x = 31,147.03 × 31,147.03
4. Step 4: Simplify right side
   20,035.69x = 970,137,555.69
5. Step 5: Solve for x
   x = 970,137,555.69/20,035.69
6. Step 6: Final answer
   x = 48,420.48