Finding the Third Proportional to 155,730 and 222,693

Step by Step Solution

1. Step 1: Write the proportion equation
   155,730 : 222,693 = 222,693 : x
2. Step 2: Convert to fraction form
   155,730/222,693 = 222,693/x
3. Step 3: Cross multiply
   155,730x = 222,693 × 222,693
4. Step 4: Simplify right side
   155,730x = 49,592,172,249
5. Step 5: Solve for x
   x = 49,592,172,249/155,730
6. Step 6: Final answer
   x = 318,449.70