Finding the Third Proportional to 91,003.50 and 144,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,003.50 : 144,031.50 = 144,031.50 : x
2. Step 2: Convert to fraction form
   91,003.50/144,031.50 = 144,031.50/x
3. Step 3: Cross multiply
   91,003.50x = 144,031.50 × 144,031.50
4. Step 4: Simplify right side
   91,003.50x = 20,745,072,992.25
5. Step 5: Solve for x
   x = 20,745,072,992.25/91,003.50
6. Step 6: Final answer
   x = 227,959.07