Finding the Third Proportional to 49,313.50 and 80,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,313.50 : 80,515.50 = 80,515.50 : x
2. Step 2: Convert to fraction form
   49,313.50/80,515.50 = 80,515.50/x
3. Step 3: Cross multiply
   49,313.50x = 80,515.50 × 80,515.50
4. Step 4: Simplify right side
   49,313.50x = 6,482,745,740.25
5. Step 5: Solve for x
   x = 6,482,745,740.25/49,313.50
6. Step 6: Final answer
   x = 131,459.86