Finding the Third Proportional to 91,615.50 and 134,140.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,615.50 : 134,140.50 = 134,140.50 : x
2. Step 2: Convert to fraction form
   91,615.50/134,140.50 = 134,140.50/x
3. Step 3: Cross multiply
   91,615.50x = 134,140.50 × 134,140.50
4. Step 4: Simplify right side
   91,615.50x = 17,993,673,740.25
5. Step 5: Solve for x
   x = 17,993,673,740.25/91,615.50
6. Step 6: Final answer
   x = 196,404.25