Finding the Third Proportional to 158,620 and 245,982

Step by Step Solution

1. Step 1: Write the proportion equation
   158,620 : 245,982 = 245,982 : x
2. Step 2: Convert to fraction form
   158,620/245,982 = 245,982/x
3. Step 3: Cross multiply
   158,620x = 245,982 × 245,982
4. Step 4: Simplify right side
   158,620x = 60,507,144,324
5. Step 5: Solve for x
   x = 60,507,144,324/158,620
6. Step 6: Final answer
   x = 381,459.74