Finding the Third Proportional to 1,663,748 and 3,406,348

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,748 : 3,406,348 = 3,406,348 : x
2. Step 2: Convert to fraction form
   1,663,748/3,406,348 = 3,406,348/x
3. Step 3: Cross multiply
   1,663,748x = 3,406,348 × 3,406,348
4. Step 4: Simplify right side
   1,663,748x = 11,603,206,697,104
5. Step 5: Solve for x
   x = 11,603,206,697,104/1,663,748
6. Step 6: Final answer
   x = 6,974,137.13