Finding the Third Proportional to 1,665,693 and 3,616,788

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,693 : 3,616,788 = 3,616,788 : x
2. Step 2: Convert to fraction form
   1,665,693/3,616,788 = 3,616,788/x
3. Step 3: Cross multiply
   1,665,693x = 3,616,788 × 3,616,788
4. Step 4: Simplify right side
   1,665,693x = 13,081,155,436,944
5. Step 5: Solve for x
   x = 13,081,155,436,944/1,665,693
6. Step 6: Final answer
   x = 7,853,281.15