Finding the Third Proportional to 1,691,629 and 3,647,332

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,629 : 3,647,332 = 3,647,332 : x
2. Step 2: Convert to fraction form
   1,691,629/3,647,332 = 3,647,332/x
3. Step 3: Cross multiply
   1,691,629x = 3,647,332 × 3,647,332
4. Step 4: Simplify right side
   1,691,629x = 13,303,030,718,224
5. Step 5: Solve for x
   x = 13,303,030,718,224/1,691,629
6. Step 6: Final answer
   x = 7,864,035.62