Finding the Third Proportional to 155,674 and 245,983

Step by Step Solution

1. Step 1: Write the proportion equation
   155,674 : 245,983 = 245,983 : x
2. Step 2: Convert to fraction form
   155,674/245,983 = 245,983/x
3. Step 3: Cross multiply
   155,674x = 245,983 × 245,983
4. Step 4: Simplify right side
   155,674x = 60,507,636,289
5. Step 5: Solve for x
   x = 60,507,636,289/155,674
6. Step 6: Final answer
   x = 388,681.71