Finding the Third Proportional to 1,528,686 and 3,123,702

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,686 : 3,123,702 = 3,123,702 : x
2. Step 2: Convert to fraction form
   1,528,686/3,123,702 = 3,123,702/x
3. Step 3: Cross multiply
   1,528,686x = 3,123,702 × 3,123,702
4. Step 4: Simplify right side
   1,528,686x = 9,757,514,184,804
5. Step 5: Solve for x
   x = 9,757,514,184,804/1,528,686
6. Step 6: Final answer
   x = 6,382,942.07