Finding the Third Proportional to 9,355.50 and 11,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,355.50 : 11,434.50 = 11,434.50 : x
2. Step 2: Convert to fraction form
   9,355.50/11,434.50 = 11,434.50/x
3. Step 3: Cross multiply
   9,355.50x = 11,434.50 × 11,434.50
4. Step 4: Simplify right side
   9,355.50x = 130,747,790.25
5. Step 5: Solve for x
   x = 130,747,790.25/9,355.50
6. Step 6: Final answer
   x = 13,975.50