Finding the Third Proportional to 1,636,872 and 3,557,082

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,872 : 3,557,082 = 3,557,082 : x
2. Step 2: Convert to fraction form
   1,636,872/3,557,082 = 3,557,082/x
3. Step 3: Cross multiply
   1,636,872x = 3,557,082 × 3,557,082
4. Step 4: Simplify right side
   1,636,872x = 12,652,832,354,724
5. Step 5: Solve for x
   x = 12,652,832,354,724/1,636,872
6. Step 6: Final answer
   x = 7,729,885.02