Finding the Third Proportional to 10,010.50 and 20,723

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.50 : 20,723 = 20,723 : x
2. Step 2: Convert to fraction form
   10,010.50/20,723 = 20,723/x
3. Step 3: Cross multiply
   10,010.50x = 20,723 × 20,723
4. Step 4: Simplify right side
   10,010.50x = 429,442,729
5. Step 5: Solve for x
   x = 429,442,729/10,010.50
6. Step 6: Final answer
   x = 42,899.23