Finding the Third Proportional to 162,714 and 349,870

Step by Step Solution

1. Step 1: Write the proportion equation
   162,714 : 349,870 = 349,870 : x
2. Step 2: Convert to fraction form
   162,714/349,870 = 349,870/x
3. Step 3: Cross multiply
   162,714x = 349,870 × 349,870
4. Step 4: Simplify right side
   162,714x = 122,409,016,900
5. Step 5: Solve for x
   x = 122,409,016,900/162,714
6. Step 6: Final answer
   x = 752,295.54