Finding the Third Proportional to 158,727 and 338,981

Step by Step Solution

1. Step 1: Write the proportion equation
   158,727 : 338,981 = 338,981 : x
2. Step 2: Convert to fraction form
   158,727/338,981 = 338,981/x
3. Step 3: Cross multiply
   158,727x = 338,981 × 338,981
4. Step 4: Simplify right side
   158,727x = 114,908,118,361
5. Step 5: Solve for x
   x = 114,908,118,361/158,727
6. Step 6: Final answer
   x = 723,935.55