Finding the Third Proportional to 158,607 and 231,581

Step by Step Solution

1. Step 1: Write the proportion equation
   158,607 : 231,581 = 231,581 : x
2. Step 2: Convert to fraction form
   158,607/231,581 = 231,581/x
3. Step 3: Cross multiply
   158,607x = 231,581 × 231,581
4. Step 4: Simplify right side
   158,607x = 53,629,759,561
5. Step 5: Solve for x
   x = 53,629,759,561/158,607
6. Step 6: Final answer
   x = 338,129.84