Finding the Third Proportional to 31,144.50 and 36,247.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,144.50 : 36,247.50 = 36,247.50 : x
2. Step 2: Convert to fraction form
   31,144.50/36,247.50 = 36,247.50/x
3. Step 3: Cross multiply
   31,144.50x = 36,247.50 × 36,247.50
4. Step 4: Simplify right side
   31,144.50x = 1,313,881,256.25
5. Step 5: Solve for x
   x = 1,313,881,256.25/31,144.50
6. Step 6: Final answer
   x = 42,186.62