Finding the Third Proportional to 303,766 and 716,150

Step by Step Solution

1. Step 1: Write the proportion equation
   303,766 : 716,150 = 716,150 : x
2. Step 2: Convert to fraction form
   303,766/716,150 = 716,150/x
3. Step 3: Cross multiply
   303,766x = 716,150 × 716,150
4. Step 4: Simplify right side
   303,766x = 512,870,822,500
5. Step 5: Solve for x
   x = 512,870,822,500/303,766
6. Step 6: Final answer
   x = 1,688,374.68