Finding the Third Proportional to 11,395.50 and 13,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,395.50 : 13,015.50 = 13,015.50 : x
2. Step 2: Convert to fraction form
   11,395.50/13,015.50 = 13,015.50/x
3. Step 3: Cross multiply
   11,395.50x = 13,015.50 × 13,015.50
4. Step 4: Simplify right side
   11,395.50x = 169,403,240.25
5. Step 5: Solve for x
   x = 169,403,240.25/11,395.50
6. Step 6: Final answer
   x = 14,865.80