Finding the Third Proportional to 1,345,288 and 2,870,176

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,288 : 2,870,176 = 2,870,176 : x
2. Step 2: Convert to fraction form
   1,345,288/2,870,176 = 2,870,176/x
3. Step 3: Cross multiply
   1,345,288x = 2,870,176 × 2,870,176
4. Step 4: Simplify right side
   1,345,288x = 8,237,910,270,976
5. Step 5: Solve for x
   x = 8,237,910,270,976/1,345,288
6. Step 6: Final answer
   x = 6,123,529.14