Finding the Third Proportional to 161,865 and 245,055

Step by Step Solution

1. Step 1: Write the proportion equation
   161,865 : 245,055 = 245,055 : x
2. Step 2: Convert to fraction form
   161,865/245,055 = 245,055/x
3. Step 3: Cross multiply
   161,865x = 245,055 × 245,055
4. Step 4: Simplify right side
   161,865x = 60,051,953,025
5. Step 5: Solve for x
   x = 60,051,953,025/161,865
6. Step 6: Final answer
   x = 371,000.23