Finding the Third Proportional to 1,691,631 and 3,647,334

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,631 : 3,647,334 = 3,647,334 : x
2. Step 2: Convert to fraction form
   1,691,631/3,647,334 = 3,647,334/x
3. Step 3: Cross multiply
   1,691,631x = 3,647,334 × 3,647,334
4. Step 4: Simplify right side
   1,691,631x = 13,303,045,307,556
5. Step 5: Solve for x
   x = 13,303,045,307,556/1,691,631
6. Step 6: Final answer
   x = 7,864,034.95