Finding the Third Proportional to 20,808 and 45,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,808 : 45,857.50 = 45,857.50 : x
2. Step 2: Convert to fraction form
   20,808/45,857.50 = 45,857.50/x
3. Step 3: Cross multiply
   20,808x = 45,857.50 × 45,857.50
4. Step 4: Simplify right side
   20,808x = 2,102,910,306.25
5. Step 5: Solve for x
   x = 2,102,910,306.25/20,808
6. Step 6: Final answer
   x = 101,062.59