Finding the Third Proportional to 20,537.86 and 43,148.53

Step by Step Solution

1. Step 1: Write the proportion equation
   20,537.86 : 43,148.53 = 43,148.53 : x
2. Step 2: Convert to fraction form
   20,537.86/43,148.53 = 43,148.53/x
3. Step 3: Cross multiply
   20,537.86x = 43,148.53 × 43,148.53
4. Step 4: Simplify right side
   20,537.86x = 1,861,795,749.03
5. Step 5: Solve for x
   x = 1,861,795,749.03/20,537.86
6. Step 6: Final answer
   x = 90,651.89