Finding the Third Proportional to 1,691,623 and 3,663,727

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,623 : 3,663,727 = 3,663,727 : x
2. Step 2: Convert to fraction form
   1,691,623/3,663,727 = 3,663,727/x
3. Step 3: Cross multiply
   1,691,623x = 3,663,727 × 3,663,727
4. Step 4: Simplify right side
   1,691,623x = 13,422,895,530,529
5. Step 5: Solve for x
   x = 13,422,895,530,529/1,691,623
6. Step 6: Final answer
   x = 7,934,921.39