Finding the Third Proportional to 1,663,794 and 3,406,446

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,794 : 3,406,446 = 3,406,446 : x
2. Step 2: Convert to fraction form
   1,663,794/3,406,446 = 3,406,446/x
3. Step 3: Cross multiply
   1,663,794x = 3,406,446 × 3,406,446
4. Step 4: Simplify right side
   1,663,794x = 11,603,874,350,916
5. Step 5: Solve for x
   x = 11,603,874,350,916/1,663,794
6. Step 6: Final answer
   x = 6,974,345.59