Finding the Third Proportional to 142,764.82 and 317,442.73

Step by Step Solution

1. Step 1: Write the proportion equation
   142,764.82 : 317,442.73 = 317,442.73 : x
2. Step 2: Convert to fraction form
   142,764.82/317,442.73 = 317,442.73/x
3. Step 3: Cross multiply
   142,764.82x = 317,442.73 × 317,442.73
4. Step 4: Simplify right side
   142,764.82x = 100,769,884,647.43
5. Step 5: Solve for x
   x = 100,769,884,647.43/142,764.82
6. Step 6: Final answer
   x = 705,845.35