Finding the Third Proportional to 20,958 and 45,612

Step by Step Solution

1. Step 1: Write the proportion equation
   20,958 : 45,612 = 45,612 : x
2. Step 2: Convert to fraction form
   20,958/45,612 = 45,612/x
3. Step 3: Cross multiply
   20,958x = 45,612 × 45,612
4. Step 4: Simplify right side
   20,958x = 2,080,454,544
5. Step 5: Solve for x
   x = 2,080,454,544/20,958
6. Step 6: Final answer
   x = 99,267.80