Finding the Third Proportional to 90,717 and 143,032

Step by Step Solution

1. Step 1: Write the proportion equation
   90,717 : 143,032 = 143,032 : x
2. Step 2: Convert to fraction form
   90,717/143,032 = 143,032/x
3. Step 3: Cross multiply
   90,717x = 143,032 × 143,032
4. Step 4: Simplify right side
   90,717x = 20,458,153,024
5. Step 5: Solve for x
   x = 20,458,153,024/90,717
6. Step 6: Final answer
   x = 225,516.20