Finding the Third Proportional to 30,319.69 and 65,199.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,319.69 : 65,199.56 = 65,199.56 : x
2. Step 2: Convert to fraction form
   30,319.69/65,199.56 = 65,199.56/x
3. Step 3: Cross multiply
   30,319.69x = 65,199.56 × 65,199.56
4. Step 4: Simplify right side
   30,319.69x = 4,250,982,950.19
5. Step 5: Solve for x
   x = 4,250,982,950.19/30,319.69
6. Step 6: Final answer
   x = 140,205.37