Finding the Third Proportional to 155,930 and 243,022

Step by Step Solution

1. Step 1: Write the proportion equation
   155,930 : 243,022 = 243,022 : x
2. Step 2: Convert to fraction form
   155,930/243,022 = 243,022/x
3. Step 3: Cross multiply
   155,930x = 243,022 × 243,022
4. Step 4: Simplify right side
   155,930x = 59,059,692,484
5. Step 5: Solve for x
   x = 59,059,692,484/155,930
6. Step 6: Final answer
   x = 378,757.73