Finding the Third Proportional to 20,806.50 and 45,900

Step by Step Solution

1. Step 1: Write the proportion equation
   20,806.50 : 45,900 = 45,900 : x
2. Step 2: Convert to fraction form
   20,806.50/45,900 = 45,900/x
3. Step 3: Cross multiply
   20,806.50x = 45,900 × 45,900
4. Step 4: Simplify right side
   20,806.50x = 2,106,810,000
5. Step 5: Solve for x
   x = 2,106,810,000/20,806.50
6. Step 6: Final answer
   x = 101,257.30