Finding the Third Proportional to 9,403.50 and 20,102.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,403.50 : 20,102.50 = 20,102.50 : x
2. Step 2: Convert to fraction form
   9,403.50/20,102.50 = 20,102.50/x
3. Step 3: Cross multiply
   9,403.50x = 20,102.50 × 20,102.50
4. Step 4: Simplify right side
   9,403.50x = 404,110,506.25
5. Step 5: Solve for x
   x = 404,110,506.25/9,403.50
6. Step 6: Final answer
   x = 42,974.48