Finding the Third Proportional to 9,308.50 and 20,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.50 : 20,258.50 = 20,258.50 : x
2. Step 2: Convert to fraction form
   9,308.50/20,258.50 = 20,258.50/x
3. Step 3: Cross multiply
   9,308.50x = 20,258.50 × 20,258.50
4. Step 4: Simplify right side
   9,308.50x = 410,406,822.25
5. Step 5: Solve for x
   x = 410,406,822.25/9,308.50
6. Step 6: Final answer
   x = 44,089.47