Finding the Third Proportional to 142,096.15 and 303,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   142,096.15 : 303,886.69 = 303,886.69 : x
2. Step 2: Convert to fraction form
   142,096.15/303,886.69 = 303,886.69/x
3. Step 3: Cross multiply
   142,096.15x = 303,886.69 × 303,886.69
4. Step 4: Simplify right side
   142,096.15x = 92,347,118,839.72
5. Step 5: Solve for x
   x = 92,347,118,839.72/142,096.15
6. Step 6: Final answer
   x = 649,891.78