Finding the Third Proportional to 84,510 and 179,386

Step by Step Solution

1. Step 1: Write the proportion equation
   84,510 : 179,386 = 179,386 : x
2. Step 2: Convert to fraction form
   84,510/179,386 = 179,386/x
3. Step 3: Cross multiply
   84,510x = 179,386 × 179,386
4. Step 4: Simplify right side
   84,510x = 32,179,336,996
5. Step 5: Solve for x
   x = 32,179,336,996/84,510
6. Step 6: Final answer
   x = 380,775.49