Finding the Third Proportional to 91,519.50 and 134,309.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,519.50 : 134,309.25 = 134,309.25 : x
2. Step 2: Convert to fraction form
   91,519.50/134,309.25 = 134,309.25/x
3. Step 3: Cross multiply
   91,519.50x = 134,309.25 × 134,309.25
4. Step 4: Simplify right side
   91,519.50x = 18,038,974,635.56
5. Step 5: Solve for x
   x = 18,038,974,635.56/91,519.50
6. Step 6: Final answer
   x = 197,105.26