Finding the Third Proportional to 142,168 and 329,122

Step by Step Solution

1. Step 1: Write the proportion equation
   142,168 : 329,122 = 329,122 : x
2. Step 2: Convert to fraction form
   142,168/329,122 = 329,122/x
3. Step 3: Cross multiply
   142,168x = 329,122 × 329,122
4. Step 4: Simplify right side
   142,168x = 108,321,290,884
5. Step 5: Solve for x
   x = 108,321,290,884/142,168
6. Step 6: Final answer
   x = 761,924.56