Finding the Third Proportional to 303,555 and 459,870

Step by Step Solution

1. Step 1: Write the proportion equation
   303,555 : 459,870 = 459,870 : x
2. Step 2: Convert to fraction form
   303,555/459,870 = 459,870/x
3. Step 3: Cross multiply
   303,555x = 459,870 × 459,870
4. Step 4: Simplify right side
   303,555x = 211,480,416,900
5. Step 5: Solve for x
   x = 211,480,416,900/303,555
6. Step 6: Final answer
   x = 696,679.08