Finding the Third Proportional to 1,691,658 and 3,647,394

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,658 : 3,647,394 = 3,647,394 : x
2. Step 2: Convert to fraction form
   1,691,658/3,647,394 = 3,647,394/x
3. Step 3: Cross multiply
   1,691,658x = 3,647,394 × 3,647,394
4. Step 4: Simplify right side
   1,691,658x = 13,303,482,991,236
5. Step 5: Solve for x
   x = 13,303,482,991,236/1,691,658
6. Step 6: Final answer
   x = 7,864,168.17