Finding the Third Proportional to 9,723.38 and 20,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,723.38 : 20,830.50 = 20,830.50 : x
2. Step 2: Convert to fraction form
   9,723.38/20,830.50 = 20,830.50/x
3. Step 3: Cross multiply
   9,723.38x = 20,830.50 × 20,830.50
4. Step 4: Simplify right side
   9,723.38x = 433,909,730.25
5. Step 5: Solve for x
   x = 433,909,730.25/9,723.38
6. Step 6: Final answer
   x = 44,625.42