Finding the Third Proportional to 9,850.50 and 13,398.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,850.50 : 13,398.75 = 13,398.75 : x
2. Step 2: Convert to fraction form
   9,850.50/13,398.75 = 13,398.75/x
3. Step 3: Cross multiply
   9,850.50x = 13,398.75 × 13,398.75
4. Step 4: Simplify right side
   9,850.50x = 179,526,501.56
5. Step 5: Solve for x
   x = 179,526,501.56/9,850.50
6. Step 6: Final answer
   x = 18,225.12