Finding the Third Proportional to 1,691,634 and 3,647,344

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,634 : 3,647,344 = 3,647,344 : x
2. Step 2: Convert to fraction form
   1,691,634/3,647,344 = 3,647,344/x
3. Step 3: Cross multiply
   1,691,634x = 3,647,344 × 3,647,344
4. Step 4: Simplify right side
   1,691,634x = 13,303,118,254,336
5. Step 5: Solve for x
   x = 13,303,118,254,336/1,691,634
6. Step 6: Final answer
   x = 7,864,064.13