Finding the Third Proportional to 142,932 and 322,284

Step by Step Solution

1. Step 1: Write the proportion equation
   142,932 : 322,284 = 322,284 : x
2. Step 2: Convert to fraction form
   142,932/322,284 = 322,284/x
3. Step 3: Cross multiply
   142,932x = 322,284 × 322,284
4. Step 4: Simplify right side
   142,932x = 103,866,976,656
5. Step 5: Solve for x
   x = 103,866,976,656/142,932
6. Step 6: Final answer
   x = 726,688.05