Finding the Third Proportional to 4,398.25 and 9,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,398.25 : 9,530.50 = 9,530.50 : x
2. Step 2: Convert to fraction form
   4,398.25/9,530.50 = 9,530.50/x
3. Step 3: Cross multiply
   4,398.25x = 9,530.50 × 9,530.50
4. Step 4: Simplify right side
   4,398.25x = 90,830,430.25
5. Step 5: Solve for x
   x = 90,830,430.25/4,398.25
6. Step 6: Final answer
   x = 20,651.49