Finding the Third Proportional to 164,271 and 351,870

Step by Step Solution

1. Step 1: Write the proportion equation
   164,271 : 351,870 = 351,870 : x
2. Step 2: Convert to fraction form
   164,271/351,870 = 351,870/x
3. Step 3: Cross multiply
   164,271x = 351,870 × 351,870
4. Step 4: Simplify right side
   164,271x = 123,812,496,900
5. Step 5: Solve for x
   x = 123,812,496,900/164,271
6. Step 6: Final answer
   x = 753,708.79