Finding the Third Proportional to 20,260 and 42,133

Step by Step Solution

1. Step 1: Write the proportion equation
   20,260 : 42,133 = 42,133 : x
2. Step 2: Convert to fraction form
   20,260/42,133 = 42,133/x
3. Step 3: Cross multiply
   20,260x = 42,133 × 42,133
4. Step 4: Simplify right side
   20,260x = 1,775,189,689
5. Step 5: Solve for x
   x = 1,775,189,689/20,260
6. Step 6: Final answer
   x = 87,620.42