Finding the Third Proportional to 161,880 and 245,074

Step by Step Solution

1. Step 1: Write the proportion equation
   161,880 : 245,074 = 245,074 : x
2. Step 2: Convert to fraction form
   161,880/245,074 = 245,074/x
3. Step 3: Cross multiply
   161,880x = 245,074 × 245,074
4. Step 4: Simplify right side
   161,880x = 60,061,265,476
5. Step 5: Solve for x
   x = 60,061,265,476/161,880
6. Step 6: Final answer
   x = 371,023.38