Finding the Third Proportional to 30,199.50 and 65,049

Step by Step Solution

1. Step 1: Write the proportion equation
   30,199.50 : 65,049 = 65,049 : x
2. Step 2: Convert to fraction form
   30,199.50/65,049 = 65,049/x
3. Step 3: Cross multiply
   30,199.50x = 65,049 × 65,049
4. Step 4: Simplify right side
   30,199.50x = 4,231,372,401
5. Step 5: Solve for x
   x = 4,231,372,401/30,199.50
6. Step 6: Final answer
   x = 140,113.99