Finding the Third Proportional to 1,511,633 and 3,318,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511,633 : 3,318,142 = 3,318,142 : x
2. Step 2: Convert to fraction form
   1,511,633/3,318,142 = 3,318,142/x
3. Step 3: Cross multiply
   1,511,633x = 3,318,142 × 3,318,142
4. Step 4: Simplify right side
   1,511,633x = 11,010,066,332,164
5. Step 5: Solve for x
   x = 11,010,066,332,164/1,511,633
6. Step 6: Final answer
   x = 7,283,557.80