Finding the Third Proportional to 74,510 and 162,410

Step by Step Solution

1. Step 1: Write the proportion equation
   74,510 : 162,410 = 162,410 : x
2. Step 2: Convert to fraction form
   74,510/162,410 = 162,410/x
3. Step 3: Cross multiply
   74,510x = 162,410 × 162,410
4. Step 4: Simplify right side
   74,510x = 26,377,008,100
5. Step 5: Solve for x
   x = 26,377,008,100/74,510
6. Step 6: Final answer
   x = 354,006.28