Finding the Third Proportional to 142,930.83 and 310,771.69

Step by Step Solution

1. Step 1: Write the proportion equation
   142,930.83 : 310,771.69 = 310,771.69 : x
2. Step 2: Convert to fraction form
   142,930.83/310,771.69 = 310,771.69/x
3. Step 3: Cross multiply
   142,930.83x = 310,771.69 × 310,771.69
4. Step 4: Simplify right side
   142,930.83x = 96,579,041,751.60
5. Step 5: Solve for x
   x = 96,579,041,751.60/142,930.83
6. Step 6: Final answer
   x = 675,704.77