Finding the Third Proportional to 155,981 and 223,060

Step by Step Solution

1. Step 1: Write the proportion equation
   155,981 : 223,060 = 223,060 : x
2. Step 2: Convert to fraction form
   155,981/223,060 = 223,060/x
3. Step 3: Cross multiply
   155,981x = 223,060 × 223,060
4. Step 4: Simplify right side
   155,981x = 49,755,763,600
5. Step 5: Solve for x
   x = 49,755,763,600/155,981
6. Step 6: Final answer
   x = 318,986.05