Finding the Third Proportional to 20,539 and 42,050

Step by Step Solution

1. Step 1: Write the proportion equation
   20,539 : 42,050 = 42,050 : x
2. Step 2: Convert to fraction form
   20,539/42,050 = 42,050/x
3. Step 3: Cross multiply
   20,539x = 42,050 × 42,050
4. Step 4: Simplify right side
   20,539x = 1,768,202,500
5. Step 5: Solve for x
   x = 1,768,202,500/20,539
6. Step 6: Final answer
   x = 86,090.00